2026年湖南省湘教版六年级英语下册第10单元语法练习

2026年湖南省湘教版六年级英语下册第10单元语法练习一、单项选择题（每题2分，共20分）1.Intheunit10grammarexercises,whenwewanttoexpressafutureplanordecision,whichstructureshouldweuse?A.Will+baseverbB.Goingto+baseverbC.Can+baseverbD.Must+baseverbAnswer:BExplanation:The2026HunaneditionGrade6EnglishBook2Unit10focusesonfutureplansanddecisions.Thecorrectstructureis"goingto+baseverb,"asdemonstratedinthetextbookwithexampleslike"Iamgoingtovisitmygrandparentsnextweek."OptionA(will+baseverb)isusedforpredictions,optionC(can+baseverb)forability,andoptionD(must+baseverb)fornecessity,whicharenotthemainpointsofthisunit.2.AccordingtotheUnit10grammarrules,whichsentencecorrectlyusesthefuturecontinuoustensetodescribeanongoingactioninthefuture?A.Shewillwritealettertomorrow.B.Theywillbeplayingbasketballat4PM.C.HewillgotothelibrarynextSunday.D.Theywillhavefinishedtheirhomeworkbytomorrow.Answer:BExplanation:Thefuturecontinuoustense("willbe+presentparticiple")isusedtodescribeactionsthatwillbeinprogressataspecifictimeinthefuture.SentenceB("Theywillbeplayingbasketballat4PM")fitsthisrule.OptionAusesthesimplefuture,optionCusesthesimplefuture,andoptionDusesthefutureperfect,whicharenotthefocusofUnit10.3.IntheUnit10grammarexercises,whichwordshouldbeaddedbefore"go"toformamodalverbthatexpressespermission?A.ShallB.MayC.WillD.NeedAnswer:BExplanation:Themodalverb"may"isusedtoaskfororgivepermission,asshowninthetextbookwithphraseslike"MayIuseyourpen?"Unit10emphasizesthisusage.OptionA(shall)isusedforsuggestions,optionC(will)forpredictions,andoptionD(need)fornecessity,whichareunrelatedtothisunit'sgrammarfocus.4.Whichsentencecorrectlyusesthefutureperfecttensetodescribeanactionthatwillbecompletedbeforeanotherfuturetime?A.Shewillhavefinishedherbookbynextmonth.B.Theywillgotothezootomorrow.C.Hewillbeeatingdinnerat7PM.D.Wewillhavewatchedamovienextweekend.Answer:AExplanation:Thefutureperfecttense("willhave+pastparticiple")isusedtodescribeactionsthatwillbefinishedbeforeafuturepoint.SentenceA("Shewillhavefinishedherbookbynextmonth")correctlyusesthisstructure.OptionBusesthesimplefuture,optionCusesthefuturecontinuous,andoptionDisgrammaticallycorrectbutnotthebestexampleofthefutureperfectasitlacksaclearfuturetimereference.5.IntheUnit10grammarexercises,whichsentencecorrectlyusesthepresentperfecttensetodescribeapastexperiencewithpresentrelevance?A.Ihaveeatenbreakfastthismorning.B.Shewillhavevisitedthemuseumnextyear.C.Theyhavebeenplayinggamessince3PM.D.Hehasgonetothestoreyesterday.Answer:AExplanation:Thepresentperfecttense("have/has+pastparticiple")isusedtodescribepastactionswithpresentresultsorrelevance.SentenceA("Ihaveeatenbreakfastthismorning")fitsthisrule.OptionBusesthefutureperfect,optionCusesthepresentperfectcontinuous,andoptionDincorrectlyuses"yesterday"withthepresentperfect.6.AccordingtotheUnit10grammarrules,whichsentencecorrectlyusesthesecondconditionaltodescribeanunrealpresentsituation?A.Ifitrainstomorrow,wewillcancelthepicnic.B.IfIwereyou,Iwouldstudyharder.C.Shewillcallyouifyouneedhelp.D.Theywouldgotothebeachifitweresunny.Answer:BExplanation:Thesecondconditional("if+pasttense,would+baseverb")isusedforunrealpresentsituations.SentenceB("IfIwereyou,Iwouldstudyharder")correctlyusesthisstructure.OptionAusesthefirstconditional,optionCusesthefirstconditional,andoptionDusesthethirdconditional.7.IntheUnit10grammarexercises,whichwordshouldbeaddedbefore"study"toformamodalverbthatexpressesnecessity?A.MustB.ShouldC.CanD.MayAnswer:AExplanation:Themodalverb"must"isusedtoexpressnecessity,asshowninthetextbookwithphraseslike"Youmustfinishyourhomework."Unit10focusesonthisusage.OptionB(should)isforadvice,optionC(can)isforability,andoptionD(may)isforpermission,whicharenotthemainpointsofthisunit.8.Whichsentencecorrectlyusesthefutureperfectcontinuoustensetodescribeanactionthatwillbeinprogressforaperiodoftimebeforeanotherfuturetime?A.Theywillhavebeenwaitingfortwohoursby5PM.B.Shewillcallyouassoonasyouarrive.C.Hewillhavefinishedtheprojectnextweek.D.Wewillbeeatingdinnerat7PM.Answer:AExplanation:Thefutureperfectcontinuoustense("willhavebeen+presentparticiple")isusedtodescribeactionsthatwillbeongoingforaperiodbeforeafuturetime.SentenceA("Theywillhavebeenwaitingfortwohoursby5PM")correctlyusesthisstructure.OptionBusesthesimplefuture,optionCusesthefutureperfect,andoptionDusesthefuturecontinuous.9.IntheUnit10grammarexercises,whichsentencecorrectlyusesthepresentperfectcontinuoustensetodescribeanactionthatstartedinthepastandcontinuestothepresent?A.Shehasbeencookingdinnerforanhour.B.Theywillhavebeenplayinggamessince3PM.C.Hehasgonetothestoreyesterday.D.Wehavefinishedourhomeworkthismorning.Answer:AExplanation:Thepresentperfectcontinuoustense("have/hasbeen+presentparticiple")isusedtodescribeactionsthatstartedinthepastandcontinuetothepresent.SentenceA("Shehasbeencookingdinnerforanhour")fitsthisrule.OptionBusesthefutureperfectcontinuous,optionCincorrectlyuses"yesterday"withthepresentperfect,andoptionDusesthesimplepresentperfect.10.AccordingtotheUnit10grammarrules,whichsentencecorrectlyusesthethirdconditionaltodescribeanunrealpastsituation?A.IfIhadstudiedharder,Iwouldhavepassedtheexam.B.Shewillcallyouifyouneedhelp.C.Theywouldgotothebeachifitweresunny.D.Hehasfinishedhishomework.Answer:AExplanation:Thethirdconditional("if+pastperfect,wouldhave+pastparticiple")isusedforunrealpastsituations.SentenceA("IfIhadstudiedharder,Iwouldhavepassedtheexam")correctlyusesthisstructure.OptionBusesthefirstconditional,optionCusesthesecondconditional,andoptionDusesthesimplepresentperfect.二、填空题（每空2分，共20分）1.Toexpressafutureplan,weusethestructure_______+baseverb,asshownintheUnit10textbookwiththeexample"Iamgoingtovisitmygrandparentsnextweek."Answer:goingtoExplanation:The2026HunaneditionGrade6EnglishBook2Unit10emphasizes"goingto+baseverb"forfutureplans.Thisstructureisusedtoexpressintentionsordecisionsmadeinthepresent.2.Thefuturecontinuoustenseisformedwiththestructure_______+presentparticiple,asdemonstratedintheUnit10grammarexerciseswiththesentence"Theywillbeplayingbasketballat4PM."Answer:willbeExplanation:Thefuturecontinuoustense("willbe+presentparticiple")isusedtodescribeactionsthatwillbeinprogressataspecifictimeinthefuture.ThisisakeypointinUnit10.3.Toaskforpermission,weusethemodalverb_______+baseverb,asshownintheUnit10textbookwiththephrase"MayIuseyourpen?"Answer:mayExplanation:Themodalverb"may"isusedtoaskfororgivepermission,whichisafocusofUnit10.Othermodalverbslike"can"(ability),"shall"(suggestion),or"must"(necessity)arenotthemainpointsofthisunit.4.Thefutureperfecttenseisformedwiththestructure_______+pastparticiple,asseenintheUnit10grammarexerciseswiththesentence"Shewillhavefinishedherbookbynextmonth."Answer:willhaveExplanation:Thefutureperfecttense("willhave+pastparticiple")isusedtodescribeactionsthatwillbecompletedbeforeafuturetime.ThisisakeystructureinUnit10.5.Thepresentperfecttenseisformedwiththestructure_______+pastparticiple,asdemonstratedintheUnit10textbookwiththesentence"Ihaveeatenbreakfastthismorning."Answer:have/hasExplanation:Thepresentperfecttense("have/has+pastparticiple")isusedtodescribepastactionswithpresentrelevance.ThisisacentraltopicinUnit10.6.Thesecondconditionalisformedwiththestructure_______+pasttense,followedby"would+baseverb,"asshownintheUnit10grammarexerciseswiththesentence"IfIwereyou,Iwouldstudyharder."Answer:ifExplanation:Thesecondconditional("if+pasttense,would+baseverb")isusedforunrealpresentsituations.ThisisakeystructureinUnit10.7.Themodalverb_______isusedtoexpressnecessity,asshownintheUnit10textbookwiththephrase"Youmustfinishyourhomework."Answer:mustExplanation:Themodalverb"must"isusedtoexpressnecessity,whichisafocusofUnit10.Othermodalverbslike"should"(advice),"can"(ability),or"may"(permission)arenotthemainpointsofthisunit.8.Thefutureperfectcontinuoustenseisformedwiththestructure_______+presentparticiple,asseenintheUnit10grammarexerciseswiththesentence"Theywillhavebeenwaitingfortwohoursby5PM."Answer:willhavebeenExplanation:Thefutureperfectcontinuoustense("willhavebeen+presentparticiple")isusedtodescribeactionsthatwillbeongoingforaperiodbeforeafuturetime.ThisisakeystructureinUnit10.9.Thepresentperfectcontinuoustenseisformedwiththestructure_______+presentparticiple,asdemonstratedintheUnit10textbookwiththesentence"Shehasbeencookingdinnerforanhour."Answer:has/havebeenExplanation:Thepresentperfectcontinuoustense("have/hasbeen+presentparticiple")isusedtodescribeactionsthatstartedinthepastandcontinuetothepresent.ThisisacentraltopicinUnit10.10.Thethirdconditionalisformedwiththestructure_______+pastperfect,followedby"wouldhave+pastparticiple,"asshownintheUnit10grammarexerciseswiththesentence"IfIhadstudiedharder,Iwouldhavepassedtheexam."Answer:ifExplanation:Thethirdconditional("if+pastperfect,wouldhave+pastparticiple")isusedforunrealpastsituations.ThisisakeystructureinUnit10.三、判断题（每题2分，共20分）1.Thesimplefuturetense("will+baseverb")isusedtoexpressfutureplans,asshownintheUnit10textbookwiththeexample"Iwillvisitmygrandparentsnextweek."Answer:FalseExplanation:Thesimplefuturetense("will+baseverb")isusedforpredictions,notfutureplans.Unit10focuseson"goingto+baseverb"forplans.2.Thefuturecontinuoustense("willbe+presentparticiple")isusedtodescribeactionsthatwillbecompletedbeforeanotherfuturetime,asdemonstratedintheUnit10grammarexercises.Answer:FalseExplanation:Thefuturecontinuoustenseisusedtodescribeactionsthatwillbeinprogressataspecifictimeinthefuture,notactionsthatwillbecompleted.Thefutureperfecttenseisusedforcompletedactions.3.Themodalverb"may"isusedtoexpressnecessity,asshownintheUnit10textbookwiththephrase"Youmustfinishyourhomework."Answer:FalseExplanation:Themodalverb"may"isusedforpermission,notnecessity."Must"isusedfornecessity,asdemonstratedinUnit10.4.Thepresentperfecttense("have/has+pastparticiple")isusedtodescribeactionsthatstartedinthepastandcontinuetothepresent,asseenintheUnit10grammarexercises.Answer:TrueExplanation:Thepresentperfecttenseisusedforpastactionswithpresentrelevance,whichisakeypointinUnit10.5.Thesecondconditional("if+pasttense,would+baseverb")isusedforunrealpresentsituations,asdemonstratedintheUnit10grammarexerciseswiththesentence"IfIwereyou,Iwouldstudyharder."Answer:TrueExplanation:Thesecondconditionalisusedforunrealpresentsituations,whichisafocusofUnit10.6.Themodalverb"must"isusedtoaskforpermission,asshownintheUnit10textbookwiththephrase"MayIuseyourpen?"Answer:FalseExplanation:Themodalverb"may"isusedforpermission,not"must.""Must"isusedfornecessity,asdemonstratedinUnit10.7.Thefutureperfectcontinuoustense("willhavebeen+presentparticiple")isusedtodescribeactionsthatwillbecompletedbeforeanotherfuturetime,asseenintheUnit10grammarexercises.Answer:FalseExplanation:Thefutureperfectcontinuoustenseisusedtodescribeactionsthatwillbeongoingforaperiodbeforeafuturetime,notactionsthatwillbecompleted.Thefutureperfecttenseisusedforcompletedactions.8.Thepresentperfectcontinuoustense("have/hasbeen+presentparticiple")isusedtodescribeactionsthatstartedinthepastandcontinuetothepresent,asdemonstratedintheUnit10grammarexercises.Answer:TrueExplanation:Thepresentperfectcontinuoustenseisusedforactionsthatstartedinthepastandcontinuetothepresent,whichisakeypointinUnit10.9.Thethirdconditional("if+pastperfect,wouldhave+pastparticiple")isusedforunrealpastsituations,asshownintheUnit10grammarexerciseswiththesentence"IfIhadstudiedharder,Iwouldhavepassedtheexam."Answer:TrueExplanation:Thethirdconditionalisusedforunrealpastsituations,whichisafocusofUnit10.10.Thesimplefuturetense("will+baseverb")isusedtoexpresspredictions,asdemonstratedintheUnit10grammarexerciseswiththesentence"Shewillcallyoutomorrow."Answer:TrueExplanation:Thesimplefuturetenseisusedforpredictions,whichisakeypointinUnit10.四、简答题（每题2分，共16分）1.AccordingtotheUnit10grammarrules,howdoyouformthefuturecontinuoustense?ProvideanexamplefromtheUnit10textbook.Answer:Thefuturecontinuoustenseisformedwith"willbe+presentparticiple."Forexample,theUnit10textbookshows"Theywillbeplayingbasketballat4PM."Explanation:Thefuturecontinuoustensedescribesactionsthatwillbeinprogressataspecifictimeinthefuture.Thestructureis"willbe+presentparticiple,"asdemonstratedintheexample.2.Whatisthedifferencebetweenthesimplefuturetense("will+baseverb")andthefutureperfecttense("willhave+pastparticiple")?Answer:Thesimplefuturetense("will+baseverb")isusedforpredictionsordecisionsmadeinthepresent,whilethefutureperfecttense("willhave+pastparticiple")isusedtodescribeactionsthatwillbecompletedbeforeanotherfuturetime.Explanation:Unit10distinguishesbetweenthesetwotenses.Thesimplefutureisforpredictions,andthefutureperfectisforcompletedactions.3.Howdoyouformthepresentperfectcontinuoustense?ProvideanexamplefromtheUnit10textbook.Answer:Thepresentperfectcontinuoustenseisformedwith"have/hasbeen+presentparticiple."Forexample,theUnit10textbookshows"Shehasbeencookingdinnerforanhour."Explanation:Thepresentperfectcontinuoustenseisusedforactionsthatstartedinthepastandcontinuetothepresent.Thestructureis"have/hasbeen+presentparticiple,"asdemonstratedintheexample.4.Whatisthepurposeofthesecondconditional?ProvideanexamplefromtheUnit10textbook.Answer:Thesecondconditionalisusedforunrealpresentsituations.Forexample,theUnit10textbookshows"IfIwereyou,Iwouldstudyharder."Explanation:Thesecondconditional("if+pasttense,would+baseverb")isusedforhypotheticalsituationsinthepresent,asdemonstratedintheexample.5.Howdoyouformthethirdconditional?ProvideanexamplefromtheUnit10textbook.Answer:Thethirdconditionalisformedwith"if+pastperfect,wouldhave+pastparticiple."Forexample,theUnit10textbookshows"IfIhadstudiedharder,Iwouldhavepassedtheexam."Explanation:Thethirdconditionalisusedforunrealpastsituations.Thestructureis"if+pastperfect,wouldhave+pastparticiple,"asdemonstratedintheexample.6.Whatisthefunctionofthemodalverb"may"?ProvideanexamplefromtheUnit10textbook.Answer:Themodalverb"may"isusedtoaskfororgivepermission.Forexample,theUnit10textbookshows"MayIuseyourpen?"Explanation:Unit10emphasizestheuseof"may"forpermission,asdemonstratedintheexample.7.Howdoyouformthefutureperfectcontinuoustense?ProvideanexamplefromtheUnit10textbook.Answer:Thefutureperfectcontinuoustenseisformedwith"willhavebeen+presentparticiple."Forexample,theUnit10textbookshows"Theywillhavebeenwaitingfortwohoursby5PM."Explanation:Thefutureperfectcontinuoustenseisusedtodescribeactionsthatwillbeongoingforaperiodbeforeafuturetime.Thestructureis"willhavebeen+presentparticiple,"asdemonstratedintheexample.8.Whatisthedifferencebetweenthefirstconditionalandthesecondconditional?Answer:Thefirstconditional("if+presenttense,will+baseverb")isusedforrealfuturesituations,whilethesecondconditional("if+pasttense,would+baseverb")isusedforunrealpresentsituations.Explanation:Unit10distinguishesbetweenthesetwoconditionals.Thefirstconditionalisforrealfutureevents,andthesecondconditionalisforhypotheticalpresentsituations.五、应用题（每题4分，共24分）1.Rewritethefollowingsentenceusingthefuturecontinuoustense:"Theywillfinishtheirhomeworktomorrow."Answer:"Theywillbefinishingtheirhomeworktomorrow."Explanation:Thefuturecontinuoustenseisformedwith"willbe+presentparticiple."Theoriginalsentenceusesthesimplefuture,sowechangeitto"willbefinishing"todescribetheactioninprogress.2.Rewritethefollowingsentenceusingthepresentperfectcontinuoustense:"Shehasbeenstudyingfortwohours."Answer:"Shehasstudiedfortwohours."Explanation:Thepresentperfectcontinuoustenseis"have/hasbeen+presentparticiple."Theoriginalsentencealreadyusesthepresentperfectcontinuous,sonochangeisneeded.However,ifthequestionintendedthesimplepresentperfect,theanswerwouldbe"Shehasstudiedfortwohours."3.Rewritethefollowingsentenceusingthesecondconditional:"IfIwereyou,Iwouldstudyharder."Answer:"IfIwereyou,Iwouldstudyharder."Explanation:Theoriginalsentencealreadyusesthesecondconditional("if+pasttense,would+baseverb").Nochangeisneeded.4.Rewritethefollowingsentenceusingthethirdconditional:"Ifhehadstudiedharder,hewouldhavepassedtheexam."Answer:"Ifhehadstudiedharder,hewouldhavepassedtheexam."Explanation:Theoriginalsentencealreadyusesthethirdconditional("if+pastperfect,wouldhave+pastparticiple").Nochangeisneeded.5.Rewritethefollowingsentenceusingthefutureperfecttense:"Theywillhavefinishedtheirprojectbynextweek."Answer:"Theywillhavefinishedtheirprojectbynextweek."Explanation:Theoriginalsentencealreadyusesthefutureperfecttense("willhave+pastparticiple").Nochangeisneeded.6.Rewritethefollowingsentenceusingthemodalverb"may"toaskforpermission:"CanIuseyourpen?"Answer:"MayIuseyourpen?"Explanation:Themodalverb"may"isusedtoaskforpermission.Theoriginalsentenceuses"can,"but"may"ismoreformal,asdemonstratedinUnit10.7.Rewritethefollowingsentenceusingthemodalverb"must"toexpressnecessity:"Youshouldfinishyourhomework."Answer:"Youmustfinishyourhomework."Explanation:Themodalverb"must"isusedtoexpressnecessity.Theoriginalsentenceuses"should,"but"must"ismoreemphatic,asdemonstratedinUnit10.8.Rewritethefollowingsentenceusingthepresentperfecttense:"Shehasbeencookingdinnerforanhour."Answer:"Shehascookeddinnerforanhour."Explanation:Thepresentperfectcontinuoustenseis"have/hasbeen+presentparticiple."Theoriginalsentencealreadyusesthepresentperfectcontinuous,sonochangeisneeded.However,ifthequestionintendedthesimplepresentperfect,theanswerwouldbe"Shehascookeddinnerforanhour."【标准答案及解析】一、单项选择题1.BExplanation:"Goingto+baseverb"isusedforfutureplans,asshownintheUnit10textbook.2.BExplanation:"Willbe+presentparticiple"isthefuturecontinuoustense,usedforactionsinprogressataspecifictime.3.BExplanation:"May"isusedforpermission,asdemonstratedinUnit10.4.AExplanation:"Willhave+pastparticiple"isthefutureperfecttense,usedforcompletedactionsbeforeafuturetime.5.AExplanation:"Have/has+pastparticiple"isthepresentperfecttense,usedforpastactionswithpresentrelevance.6.BExplanation:"If+pasttense,would+baseverb"isthesecondconditional,usedforunrealpresentsituations.7.AExplanation:"Must"isusedfornecessity,asshowninUnit10.8.AExplanation:"Willhavebeen+presentparticiple"isthefutureperfectcontinuoustense,usedforongoingactionsbeforeafuturetime.9.AExplanation:"Have/hasbeen+presentparticiple"isthepresentperfectcontinuoustense,usedforactionsstartinginthepastandcontinuingtothepresent.10.AExplanation:"If+pastperfect,wouldhave+pastparticiple"isthethirdconditional,usedforunrealpastsituations.二、填空题1.goingtoExplanation:"Goingto+baseverb"isusedforfutureplans,asshowninUnit10.2.willbeExplanation:"Willbe+presentparticiple"isthefuturecontinuoustense,usedforactionsinprogressataspecifictime.3.mayExplanation:"May"isusedforpermission,asdemonstratedinUnit10.4.willhaveExplanation:"Willhave+pastparticiple"isthefutureperfecttense,usedforcompletedactionsbeforeafuturetime.5.have/hasExplanation:"Have/has+pastparticiple"isthepresentperfecttense,usedforpastactionswithpresentrelevance.6.ifExplanation:"If+pasttense,would+baseverb"isthesecondconditional,usedforunrealpresentsituations.7.mustExplanation:"Must"isusedfornecessity,asshowninUnit10.8.willhavebeenExplanation:"Willhavebeen+presentparticiple"isthefutureperfectcontinuoustense,usedforongoingactionsbeforeafuturetime.9.has/havebeenExplanation:"Have/hasbeen+presentparticiple"isthepresentperfectcontinuoustense,usedforactionsstartinginthepastandcontinuingtothepresent.10.ifExplanation:"If+pastperfect,wouldhave+pastparticiple"isthethirdconditional,usedforunrealpastsituations.三、判断题1.FalseExplanation:"Will+baseverb"isforpredictions,notplans.Unit10focuseson"goingto+baseverb"forplans.2.FalseExplanation:"Willbe+presentparticiple"isforactionsinprogress,notcompletedactions.3.FalseExplanation:"May"isforpermission,notnecessity."Must"isfornecessity.4.TrueExplanation:"Have/has+pastparticiple"isthepresentperfecttense,usedforpastactionswithpresentrelevance.5.TrueExplanation:"If+pasttense,would+baseverb"isthesecondconditional,usedforunrealpresentsituations.6.FalseExplanation:"May"isforpermission,not"must.""Must"isfornecessity.7.FalseExplanation:"Willhavebeen+presentparticiple"isforongoingactions,notcompletedactions.8.TrueExplanation:"Have/hasbeen+presentparticiple"isthepresentperfectcontinuoustense,usedforactionsstartinginthepastandcontinuingtothepresent.9.TrueExplanation:"If+pastperfect,wouldhave+pastparticiple"isthethirdconditional,usedforunrealpastsituations.10.TrueExplanation:"Will+baseverb"isforpredictions,asdemonstratedinUnit10.四、简答题1.Thefuturecontinuoustenseisformedwith"willbe+presentparticiple."Forexample,"Theywillbeplayingbasketballat4PM."Explanation:Thefuturecontinuoustensedescribesactionsthatwillbeinprogressataspecifictimeinthefuture.Thestructureis"willbe+presentparticiple,"asdemonstratedintheexample.2.Thesimplefuturetense("will+baseverb")isusedforpredictionsordecisionsmadeinthepresent,whilethefutureperfecttense("willhave+pastparticiple")isusedtodescribeactionsthatwillbecompletedbeforeanotherfuturetime.Explanation:Unit10distinguishesbetweenthesetwotenses.Thesimplefutureisforpredictions,andthefutureperfectisforcompletedactions.3.Thepresentperfectcontinuoustenseisformedwith"have/hasbeen+presentparticiple."Forexample,"Shehasbeencookingdinnerforanhour."Explanation:Thepresentperfectcontinuoustenseisusedforactionsthatstartedinthepastandcontinuetothepresent.Thestructureis"have/hasbeen+presentparticiple,"asdemonstratedintheexample.4.Thesecondconditionalisusedforunrealpresentsituations.Forexample,"IfIwereyou,Iwouldstudyharder."Explanation:Thesecondconditional("if+pasttense,would+baseverb")isusedforhypotheticalsituationsinthepresent,asdemonstratedintheexample.5.Thethirdconditionalisformedwith"if+pastperfect,wouldhave+pastparticiple."Forexample,"IfIhadstudiedharder,Iwouldhavepassedtheexam."Explanation:Thethirdconditionalisusedforunrealpastsituations.Thestructureis"if+pastperfect,wouldhave+pastparticiple,"asdemonstratedintheex