Unit8LetsCommunicate!SectionAGrammarFocus3a3c课件人教版英语八年级上册()

Unit8Let’sCommunicate!Lesson3（SectionAGrammarFocus3a–3c）

1.如果你想解决这个问题，一个面对面的谈话效果最佳。Ifyou___________theproblem,aface-to-facetalkusually________thebest.wanttosolveworks2.如果你不注意你的用语，发送短信会让事情变糟。Textingcan______thingsworseifyou_________________yourwords.makearenotcarefulwith3.如果排练在晚上7点结束，我将会在7点15分来接你。Iftherehearsal

________at7:00p.m.,I______________at7:15p.m.endswillpickyouup4.如果你保持冷静并道歉，这将会有帮助。Ifyou_________andsaysorry,it________.staycalmwillhelp5.如果我去那里，我将会尝试所有美味的当地食物。IfI________,I________allthedeliciouslocalfood.gotherewilltryReadandtranslateIfyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Textingcanmakethingsworseifyou’renotcarefulwithyourwords.Iftherehearsalendsat7:00p.m.,I’llpickupat7:15p.m.Ifyoustaycalmandsaysorry,itwillhelp.IfIgothere,Iwilltryallthedeliciouslocalfood.3aReadthesentences.Findmoresentenceswithif-clausesinSectionA.if引导的条件状语从句Whatdothesesentenceshaveincommon?Ifyouwanttosolvetheproblem,aface-to-facetalkusuallyworksthebest.Textingcanmakethingsworseifyou’renotcarefulwithyourwords.Iftherehearsalendsat7:00p.m.,I’llpickupat7:15p.m.Ifyoustaycalmandsaysorry,itwillhelp.IfIgothere,Iwilltryallthedeliciouslocalfood.一般现在时一般现在时含有情态动词的一般现在时一般现在时一般现在时一般将来时一般现在时一般将来时一般现在时一般将来时Whatarethetensesofthemainclause(主句)andthesubordinateclause(从句)?主现从现主情从现主将从现主将从现主将从现1.Ifyouheatice,itmelts.如果你加热冰，它就会融化。2.Ifpeopledon'tdrinkwater,theygetthirsty.如果人们不喝水，他们就会口渴。If从句→

用一般现在时主句→

也用一般现在时结论：当表示客观事实、真理时，主句和if引导的条件状语从句都用__________时，简称____。一般现在主现从现Readandconclude结构1:“主现从现”Ifitrainstomorrow,Iwillstayathome.如果明天下雨，我就会待在家里。Ifyoudon'thurry,youwillmissthebus.如果你不快点，你会错过公交车的。If从句→

用一般现在时主句→

用一般将来时结论：当表示未来可能发生的事情时，主句用__________时，if引导的条件状语从句用__________时。一般将来一般现在结构2：“主将从现”第一关第三关第四关第二关第六关第五关帮助哪吒通关goswimminggotothezooflykitesIfit’ssunnyinsummer,theywillPractice第一关第三关第四关第二关第六关第五关Ifyouhelp

me,Icanfinishitontime.Ifyougetuplate,youmusthurryup.

结论：主句有，从句一般现在时结构3：主情从现

情态动词

主句主句情态动词第一关第三关第四关第二关第六关帮助哪吒通关1.Ifyou

uplate,youcantakeataxi.A.getB.gotC.gettingD.gets

2.Ifhe

topasstheexam,hemustbecareful.A.wantB.wantsC.willwantD.wanted3.Sheshouldseeadoctorifsheacold.A.hadB.hasC.haveD.willhavePractice第一关第三关第四关第二关第六关Ifyougo

toLondon,visit

theScienceMuseum.

Ifyou

wanttobeawriter,read

morebooks.

j结论：主句,从句一般现在时结构4：主祈从现

主句主句从句从句祈使句（V.原）第一关第三关第四关第二关第六关帮助哪吒通关1.______hardifyouwanttopasstheexam,A.WorkB.ToworkC.WorkingD.Worked2.Ifhe____back,tellme.A.comes

B.willcome

C.come

D.maycome3.Ifyou_____Beijingtomorrow,callme.A.willreachB.reachedC.reachD.isreachingPracticeIfyougetupearly,you’llcatchtheschoolbus.=Getupearly,andyou’ll

catchtheschoolbus.=Getupearly,oryouwon’tcatchtheschoolbus.

早点起床，你就会赶上校车。拓展：if条件状语从句句型转换1.借助“祈使句+and/or+句子（一般将来时）”这一句型来转换。and在句意上表示顺承，意为“________”；or表示转折，意为“_____”。那么，就否则2.借助________

或_____

来转换条件状语从句。withoutIfthereisnosunshine,plantswilldie.=Plantswilldiewithoutsunshine.

如果没有阳光，植物将会死亡。withIfyouhelpme,I’llgetbettergrades.=Withyourhelp,I’llgetbettergrades.

如果你帮助我，我将取得更好的成绩。拓展：if条件状语从句句型转换1.Ifyoucometomycity,I’llshowyouaround.(______________)2.We’llfinishat7:00p.m.ifit’sontime.(______________)3.Ifyouwanttomakesomenewfriends,thisisagoodchance.(______________)4.Ifitisstillhardtotalk,takeabreak.(______________)5.Ifyoucan’tmeet,justcallyourfriend.(______________)6.Ifyouwanttopasstheexam,youmuststudyhard.(______________)主将从现主将从现主现从现主祈从现主祈从现主情从现用四个字标出主句和从句的时态：主现从现/主将从现/主祈从现/主情从现。PracticeMatchthetwopartstomakesentences.1.Ifwehaveaface-to-facemeeting,2.IfIhavegoodnews,3.Ifyouneedtoleave,4.Ifyoucanfinishyourworkearlytoday,5.Iftheoldmanhasdifficultiesinhearing,6.Ifyoucan’treachherbyphone,A.trytexting.B.we’llunderstandeachotherbetter.C.youcanwritethingsdownforhim.D.I’llcallyourightaway.E.I’llcallataxiforyou.F.willyoujoinmefordinner?writedown写下;记下rightaway立即;马上主祈从现主将从现主情从现主将从现主将从现主将从现3bjoinsbforsth与某人一起做某事havedifficulties(in)doingsth做某事有困难Fillintheblankswiththecorrectformsoftheverbsinbrackets.Whatformsofcommunicationarethey?notevoicemessageWhendoyouguysusuallywriteanote?Andwhendoyousendavoicemessage?1.keypoints2.shoppinglists3.shortmessage4.phonenumber5.classnotes1.interestingthings2.don’twanttotype3.sharefeelings4.whenwearebusy5.manywords3cFillintheblankswiththecorrectformsoftheverbsinbrackets....Ifthings_________(go)well,we_________(see)allthoseoldfacesagain.Justthinkhowgreatitwillbe!Ifyouthinkyoucancome,_________(drop)mealineandI___________(give)youallthedetailsaboutthereunion.Butpromisemeyou’llthinkaboutitseriously.gowillseedropwillgivedropsb.aline给某人写信thinkabout...seriously认真考虑.....3cThendiscusswhatthesituationsareandwhomtheinformationisfor....Ifthings___(go)well,we_______(see)allthoseoldfacesagain.Justthinkhowgreatitwillbe!Ifyouthinkyoucancome,____(drop)mealineandI_________(give)youallthedetailsaboutthereunion.Butpromisemeyou’llthinkaboutitseriously.gowillseedropwillgive围绕聚会相关的假设交流邀请参加聚会的对象situationwhom3cFillintheblankswiththecorrectformsoftheverbsinbrackets.Hey,it’sme.Iwantedtotalktoyouaboutthetrainingplanforourteam.Thenewseasoniscoming,soit’stimetomakeaplanforourtraining.Ifwe_________

(start)earlierthisyear,Ithinkwe_____________

(perform)better