Unit10 SectionA 2d-grammar 課件 人教版八年級(jí)英語(yǔ)上冊(cè)

Unit10Ifyougototheparty,you’llhaveagreattime!SectionA2d-grammerfocusAguessinggame

WhatwillhappenifItouch(觸摸)it?Ifyoutouch(碰)it,it

will

_________getangryWillit…?crysayhi~behappyReview:條件狀語(yǔ)從句1.Youwillfeelcold______youdon’twearacoat.A.soB.thoughC.ifD.unless2.______,youwillgetgoodgrade.A.IfyouwillworkhardB.IfyouworkhardC.IfyouworkedhardD.IfyouareworkinghardCBAnswerthequestionsafterreading2d.1.Whatwillhappenifweaskpeopletobringfood?__________________________________________________________________________2.Whatwillhappenifwegivepeoplesomesmallgiftsiftheywin?___________________________________Morepeoplewillwanttoplaythegames.They’lljustbringpotatochipsandchocolatebecausethey’llbetoolazytocook.2d.

Role-playtheconversation.Jeff:Hey,Ben.Forthepartynextweek,shouldweaskpeopletobringfood?Ben:No,let’sorderfoodfromarestaurant.Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolatebecausethey’llbetoolazytocook.Jeff:Ok.Forthegames,doyouthinkweshouldgivepeoplesomesmallgiftsiftheywin?Ben:Ithinkthat’sagreatidea!Ifwedothat,morepeoplewillwanttoplaythegames.Jeff:Yes,thegameswillbemoreexciting,too.叫人們帶食物從飯店訂食物太懶而不煮asksbtodosth叫某人做某事order...from從...訂too+形容詞+todo太...而不...Studyingbyyourselves.(自學(xué))1.大聲讀grammarfocus句子2.畫(huà)出if引導(dǎo)的條件狀語(yǔ)從句的句子并思考它們的用法)if引導(dǎo)的條件狀語(yǔ)從句中，if的意思是______.其中if所在的半個(gè)句子是______(主句/從句),用__________時(shí)態(tài),該句表示_______(條件/結(jié)果)；而另外的半個(gè)句子是_____(主句/從句),用__________時(shí)態(tài),該句表示_______(條件/結(jié)果)。如果從句一般現(xiàn)在時(shí)條件主句一般將來(lái)時(shí)結(jié)果狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路狀元成才路IthinkI’lltakethebustotheparty.Ifyoudo,you’llbelate.IthinkI’llstayathome.Ifyoudo,you’llbesorry.Whatwillhappeniftheyhavethepartytoday?Iftheyhaveittoday,halftheclasswon’tcome.Shouldweaskpeopletobringfood?Ifweaskpeopletobringfood,they’lljustbringpotatochipsandchocolate.如果你這么做，你將會(huì)遲到。如果你這么做,你會(huì)感到愧疚。如果他們今天舉辦，一半的學(xué)生將不會(huì)來(lái)。如果我們叫人們帶食物來(lái)，他們將會(huì)只是帶薯?xiàng)l和巧克力來(lái)。half一半，半個(gè)，復(fù)數(shù)halveshalfthe+

單數(shù)或不可數(shù)復(fù)數(shù)單復(fù)1.If+從句(一般現(xiàn)在時(shí)),主句一般將來(lái)時(shí)I’ll/youwill+動(dòng)原↘↙↘↙條件結(jié)果1.If意為

，表示條件，if引導(dǎo)的句子是稱(chēng)之為從句，2.時(shí)態(tài)：1）如從句用

態(tài)，則主句用

_態(tài)。

也就是___________.2）主句是含有情態(tài)動(dòng)詞may/might/can/must/should

等句子,從句要用一般現(xiàn)在時(shí)。

3）主句是祈使句，從句要用一般現(xiàn)在時(shí)。如果一般現(xiàn)在時(shí)一般將來(lái)時(shí)主將從現(xiàn)語(yǔ)法探究：if引導(dǎo)的條件狀語(yǔ)從句時(shí)態(tài)總結(jié)：主+將來(lái)時(shí)態(tài)+

if從現(xiàn)

主+情態(tài)動(dòng)詞+動(dòng)原+

if從現(xiàn)

祈使句+if從現(xiàn)DearSuMei,Idon’t______(know)whatto______(do)aboutgoingtoMike’sbirthdaypartytomorrownight.Myparents_____(think)IshouldstudyformyEnglishexamnextweek.IfI_____(go)totheparty,they_______(be)upset.Fillintheblankswiththecorrectformsoftheverbsinbracketsin3a.knowdothinkgowillbe明天晚上Mike______(tell)ustowearniceclothes,butIdon’t________(have)any.IfI_______(wear)jeans,I_______(look)theworst.Also,I’mnotsurehowto______(go)totheparty.IfI______(walk),it________(take)metoolong.IfI_______(take)ataxi,it______(be)tooexpensive.Canyougivemesomeadviceplease?Tinatellshavewearwilllookgowalkwilltaketakewillbe乘坐出租車(chē)givesbsomeadvice給某人一些建議，advice是不可數(shù)名詞Completethesentencesusingyourownideas.1.IfIgetuplatetomorrow,______________________2.IfIdon’tfinishmyhomework,__________________3.IfIdon’tgetenoughexercise,____________________4.Iwillnothaveenoughtimetostudyif________________________________5.Iwillnotmakeanyfriendsif____________________________3bI’llbelateforschool.myparentswillbeupset.I’llbecomeveryheavy.Iplaychessafterschooleveryday.Idon’tgotomyfriends’parties.3cIthinkIwillgotothemoviestonight.IfIgotothemovies,Iwon’tfinishmyhomework.IfIdon’tfinishmyhomework…Writeastorywithyourgrouponapieceofpaper.Thefirstpersonbeginsthestorywith“IthinkIwill…”Theothersaddsentenceswith“if”.Passthepaperaroundtwice.Thenreadthestory.ModalChainstory:IfIstayathomealltheday,I’llhavetimetoworkhardathome.IfIworkhardathomeeveryday,Iwillgetbettergrades.IfIgetbettergrades,Iwillgotoabetterhighschool.IfIgotoabetterhighschool,Iwillgotoabetteruniversity.IfIgotoabetteruniversity,Iwillfindabetterjob.IfIfindabetterjob,Iwillmakemoremoney.IfImakemoremoney,Iwill…ModalChainstory:IfIplaygamesalltheday,I’llhavenotimetodomyschoolwork.IfIdon’tdomyschoolwork,myteacherwillbeveryangry.Ifmyteacherisveryangry,hewillcallmymother.Ifhecallsmymother,shewillbesad.Ifsheissad,Iwillbesad.IfIamsad,Iwilleatalot.IfIeatalo