2026年陕西省人教版初中英语八年级上册第8单元语法专项练习题

2026年陕西省人教版初中英语八年级上册第8单元语法专项练习题一、单选题（总共10题，每题2分，共20分）1.The8thunitofthe2026ShaanxiProvinceRenjiaobanjuniorhighschoolEnglishtextbookfocusesonthegrammarpointof______.A.PresentSimpleTenseforhabitsandroutinesB.PastContinuousTenseforcompletedactionsC.Futurewith"will"forpredictionsD.PresentPerfectTenseforlifeexperiences解析：本题考查单元主题定位。根据标题明确为八年级上册第8单元，结合人教版教材编排逻辑，八年级上册第8单元通常围绕"一般现在时"展开，用于描述日常习惯和状态。选项B为过去进行时，常见于九年级；选项C为一般将来时，常见于七年级下册；选项D为现在完成时，常见于九年级上册。故正确答案为A，且该知识点在教材P62-P68有详细讲解，通过例句如"ThestudentsstudyEnglisheveryday"体现。2.Inthesentence"Sheoftenplaysbasketballonweekends,"theadverb"often"modifiestheverbbyindicating______.A.thefrequencyoftheactionB.thedurationoftheactionC.theplaceoftheactionD.themanneroftheaction解析：本题考查副词功能。副词often属于频率副词，其典型功能是修饰动词，说明动作发生的频繁程度。例句中"often"明确表示"她周末经常打篮球"，体现频率概念。选项B的duration需用"for+时间段"，选项C的place需用介词短语，选项D的manner需用"how"引导。教材P65通过对比"always/usually/often/sometimes/rarely"的排序练习强化此知识点。3.Thestructure"subject+do/does+baseformofverb"isusedinthesentence"Hedoesn'tlikeswimming,"whichiscalled______.A.affirmativesentenceB.interrogativesentenceC.negativesentenceD.imperativesentence解析：本题考查否定句结构。题干所示结构为一般现在时的否定形式，由助动词do/does加not构成，主语后接动词原形。教材P63通过表格对比"affirmative/interrogative/negative"结构，例句如"Doesshegotoschool?"为疑问句，"Theyareplaying"为肯定句。故C项正确，该结构在P64练习中反复出现。4.Whentalkingaboutfutureplans,thestructure"begoingto+verb"ispreferredover"will"when______.A.expressingpredictionsbasedonevidenceB.askingforsomeone'sopinionC.givingcommandsD.describingpastevents解析：本题考查将来时态辨析。begoingto用于计划或意图，常伴随具体计划（如"Wearegoingtovisitthemuseumnextweek"）；will用于意外预测（如"Itwillraintomorrow"）。选项B需用"doyouthink"提问，选项C用祈使句，选项D用过去时。教材P70通过对比例句如"Sheisgoingtobuyabike"与"Itwillbecold"强化区分。5.Thesentence"Theyhavelivedhereforfiveyears"usesthePresentPerfectTensetoindicate______.A.anactioncompletedinthepastB.anactioncontinuingfrompasttopresentC.afutureplanD.ahabitinthepast解析：本题考查现在完成时意义。现在完成时强调过去动作对现在的影响或持续状态，典型结构为"have/has+pastparticiple+for+时间段"。例句中"forfiveyears"明确表示持续到现在的状态，符合B项。教材P72通过"havefinished/havebeen"对比练习区分完成体与进行体。6.Thecorrectformofthesentence"Mybrother______swimmingsincelastmonth"is______.A.isgo/fortwoweeksB.hasbeen/fortwomonthsC.isgoing/sincelastweekD.hasgone/fromlastmonth解析：本题考查现在完成进行时。表示动作从过去开始持续至今且可能继续，需用"have/hasbeen+V-ing"。选项A的isgo错误，选项C的sincelastweek时间不符，选项D的fromlastmonth可改为现在完成时但需去掉for。正确答案为B，对应教材P73"since+时间点"用法讲解。7.Inthedialogue"A:Whatareyoudoing?B:I'mreadingabook,"theverb"aredoing"isusedtoexpress______.A.acompletedactionB.afutureplanC.anactionhappeningnowD.ahabitualaction解析：本题考查现在进行时。现在进行时典型结构为"be+V-ing"，用于描述正在发生的动作。例句中B明确表示"我正在读书"，符合C项。教材P66通过"look/listen/see"引导的现在进行时练习强化此用法。8.Thestructure"subject+can/can't+verb"isusedtoexpress______inthesentence"IcanspeakEnglishalittle,"where"can"indicates______.A.ability/possibilityB.permission/prohibitionC.advice/suggestionD.futureplans/intentions解析：本题考查情态动词can。can表示能力（如"Icanrunfast"）或可能性（如"Canyouhelpme?"）。例句中"IcanspeakEnglish"表示语言能力，符合A项。教材P55通过"can/can'topenthewindow"等例句讲解能力用法。9.Thesentence"Youmustfinishyourhomeworkbeforedinner"usesthemodalverb"must"toindicate______.A.asuggestionB.astrongsuggestionC.acommandD.apossibility解析：本题考查情态动词must。must表示强制性义务或命令，通常由第三方发出（如老师对学生）。例句中"Youmust..."构成命令句式，符合C项。教材P58通过"must/should/may"对比表格区分不同语气。10.Thecorrectformofthesentence"Ifit______tomorrow,wewillgotothepark"is______.A.willrain/tomorrowB.rains/tomorrowC.israining/todayD.willberaining/nextweek解析：本题考查if条件句。当if引导一般现在时条件状语从句时，主句用一般将来时。例句中"itrains"符合主将从现规则，且"tomorrow"为时间状语。教材P80通过"ifitrains/ifhecalls"等例句讲解规则。二、填空题（总共10题，每题2分，共20分）1.Theadverb"always"ismorefrequentthan______andindicatesthehighestdegreeofregularityinactions.2.Toformthenegativeof"HeiswatchingTV,"weuse______+watching+TV.3.Thestructure"begoingto+verb"isoftenusedtotalkabout______thatarealreadydecided.4.ThePresentPerfectTenseisusedtodescribelifeexperiencesthathappenedat______timesinthepast.5.Theverb"have"in"Theyhavefinishedtheproject"isusedasa______toexpresscompletion.6.Theadverb"never"isusedtoindicatethatanaction______atanytime.7.Thesentence"Sheisnotsingingnow"usesthe______formofthePresentContinuousTense.8.Themodalverb"may"isusedtoexpress______inthesentence"Youmayborrowmybook."9.Thestructure"subject+will+baseformofverb"isusedtomake______aboutthefuture.10.ThePresentPerfectContinuousTenseisformedwith______+have/has+been+V-ing.三、判断题（总共10题，每题2分，共20分）1.Thesentence"TheyhavebeenstudyingEnglishforthreeyears"canbeusedtodescribeafinishedaction.(×)解析：现在完成进行时强调动作持续至今，未明确表示完成，故错误。正确表达完成需用"havestudied"。2.Theadverb"sometimes"ismorefrequentthan"often"indailyconversations.(×)解析：often表示"经常"（80%频率），sometimes表示"有时"（约20%频率），often更常用。3.Thestructure"subject+is/are+V-ing"canbeusedtomakepredictionsaboutthefuture.(×)解析：begoingto用于计划，will用于意外预测，现在进行时表示将来可能性仅限于特定语境（如"I'mleavingtomorrow"）。4.Themodalverb"must"canbeusedtogivesuggestionslike"Youmuststudyharder."(×)解析：must表示命令，建议用should（"Youshouldstudyharder."）。5.ThePresentPerfectTenseisusedtodescribeactionsthathappenedyesterday.(×)解析：描述昨天动作需用一般过去时（"Hewenttoschoolyesterday"）。6.Theadverb"always"canbeplacedbetweenthesubjectandthemainverb.(×)解析：always需放在be动词后或助动词前（"Heisalwayslate"），不可放在实义动词前。7.Thesentence"Shehassungthissongbefore"indicatesacompletedaction.(×)解析：现在完成时强调经历，未明确表示完成，可能仍会唱。8.Thestructure"subject+can+baseformofverb"isusedtoaskforpermission.(×)解析：请求许可用"MayI...?"，can表示能力。9.ThePresentPerfectContinuousTenseisusedtodescribeactionsthatstartedinthepastandcontinuetothepresent.(√)解析：典型结构为"havebeen+V-ing"，强调持续状态。10.Theadverb"rarely"meansthesameas"never."(×)解析：rarely表示"很少"（偶尔发生），never表示"从不"，程度不同。四、简答题（总共4题，每题4分，共16分）1.Explainthedifferencebetween"begoingto"and"will"inexpressingfutureplans.参考答案："begoingto"用于已决定的计划或意图，常伴随具体证据（如"Wearegoingtobuyacarbecauseweneedone"）；"will"用于意外预测或临时决定（如"Itwillraintomorrow"）。两者区别：①begoingto强调计划性，will强调可能性②begoingto常与现在进行时连用（"I'mgoingtoleave"），will不直接与进行时连用③begoingto用于较近未来，will用于较远未来教材P70通过例句对比强化此知识点。2.Describethefunctionoftheadverb"often"inthesentence"Sheoftenvisitshergrandparents."参考答案："often"为频率副词，位于实义动词前（be动词后），表示动作发生频繁但非每天（约50%频率）。例句中"oftenvisits"说明她定期探望祖父母，但非每次周末都去。该知识点在教材P65通过频率副词排序练习（always>usually>often>sometimes>rarely）讲解。3.WhyisthePresentPerfectTenseusedinthesentence"Youhavealreadyfinishedthework"insteadofthePastSimpleTense?参考答案：现在完成时强调过去动作对现在的影响，此处"havefinished"表示工作完成导致"youcangohomenow"的现在结果；过去时"finished"仅描述过去事实，无此联系。教材P72通过"haveeaten/havelost"等例句讲解完成体与过去时的区别。4.Howdoesthemodalverb"must"differfrom"haveto"inexpressingnecessity?参考答案：①must由第三方（如权威）使用，表示强制性（"Theteachersaysyoumustfinishit"）；haveto由第一/二人称使用，表示客观需要（"Ihavetoworktoday"）②must语气更强（"Youmustobey"），haveto可由情态动词修饰（"Youdon'thaveto"）③must不可用于否定（"mustn't"），haveto可否定（"Idon'thaveto"）教材P58通过表格对比二者用法。五、应用题（总共4题，每题6分，共24分）1.RewritethefollowingsentenceintothePresentPerfectTense:"Theyfinishedtheprojectlastweek."参考答案：Theyhavefinishedtheproject.解析：一般过去时转为现在完成时需去掉lastweek，添加have/has，主语they用have。教材P71通过时间状语转换练习讲解。2.Completethedialoguewithappropriatemodalverbs:A:______Iuseyourphone?B:Yes,______.A:______Iborrowitforfiveminutes?B:______,but______.参考答案：A:MayIuseyourphone?B:Yes,youmay.A:CanIborrowitforfiveminutes?B:Yes,butyou