Unit2 Section A (Grammar Focus-4c)课件 2022-2023学年人教版八年级英语下册

I’llhelptocleanupthecityparks.Unit2

SectionA(GF--4c)putuphandoutcheerupcallup【纸牌】可点击warmupActouttheverbphrases,andothersguess.cleanupputoffgiveoutcomeupwithwarmupActouttheverbphrases,andothersguess.【纸牌】可点击careforraisemoneyvolunteer【纸牌】可点击warmupActouttheverbphrases,andothersguess.GrammarfocusPleaseunderlinetheinfinitivestructures.I’dliketohelphomelesspeople.Shedecidedtotryoutforavolunteerafter-schoolreadingprogram.Youcouldaskhospitalstoletyouvisitthekidsandcheerthemup.Mariobelievesitcanhelphimtogethisfuturedreamjob.Shevolunteersthereonceaweektohelpkidslearntoread.I’mmakingsomesignstoputuparoundtheschool.I’dliketodoasksb.todovolunteer…todolearntododecidetodohelpsb.todomake…todoletsb.dohelpsb.do动词不定式（Infinitives）1.动词不定式的基本形式是“to+动词原形”，有时可以不带to。动词不定式没有人称和数的变化，在句子中不能作谓语。动词不定式仍保留动词的特点，即可以有自己的宾语和状语。动词不定式同它的宾语或状语构成的不定式短语。例如:toreadthenewspaper,tospeakatthemeeting等。2.动词不定式具有名词、形容词和副词的特征，因此在句中可以作主语、宾语、宾语补足语、定语和状语等。用法如下：I’dliketohelphomelesspeople.下列不定式结构分别在句中充当什么成分？Shedecidedtotryoutforavolunteerafter-schoolreadingprogram.Youcouldaskhospitalstoletyouvisitthekidsandcheerthemup.Mariobelievesitcanhelphimtogethisfuturedreamjob.Shevolunteersthereonceaweektohelpkidslearntoread.I’mmakingsomesignstoputuparoundtheschool.目的状语作宾语：主语+谓语V.+todo作宾补：主语+谓语V.+sb.+totodo1.宾语2.宾语补足语3.状语be+adj.+tododosth.todo原因状语目的状语v.+sb/sthtodov.+todo一、含义1.由“_____________”构成，是非谓语动词的一种。2.在句子中不能单独作谓语，也没有人称和数的变化，其否定结构是“_________________”3.在句子中可以作主语、宾语、定语、状语、补足语、表语等。to＋动词原形notto＋动词原形GrammarFocus动词不定式infinitives非谓语动词：todo/doing/doneInfinitives动词不定式Helikestoreadnovels.Isawhimcome.Wedecidednottobuythathouse.4)Itisinterestingtoflyakite.

5)Pleaselethimnotgothere.

肯定：to+V.原或者(to)+V.原否定：not/never+(to)+V.原Infinitives动词不定式的用法1.Tostudyhardisveryimportant.2.Sheplanstogoandteachinthecountry.3.Thedoctortoldmetohaveagoodrest.4.Hisworkistocleantheclassroomeveryday.5.Ihavealotofworktodo.6.I’msorrytohearthat.7.Thesoldierranintotheroomtosavethegirl.8.Youaretooyoungtodothisjob.（作主语，位于句首）（作宾语，位于动词后）Itisimportanttostudyhard.（作宾补）（作表语）（作定语，修饰前面的名词）（作原因状语）（作目的状语）（作结果状语）putuphandoutcallupcheerupcomeupwithgiveoutputoff1.Iwantto______myplantoworkinananimalhospitaluntilnextsummer.I’mtoobusywithmystudiesthisyear.putoff2.Shehopesto______atleastfiveprimaryschoolstoaskiftheyneedvolunteersfortheirafter-schoolprograms.callup3.Ourclassistryingto____________someideasto_______sickchildrenbecausetheyareoftensad.4.Wedecidedto______signsaroundtheschooland________noticestotellstudentsaboutthebooksale.Wewill_______themoneyfromthesaletohomelesspeople.+comeupwithcheerup

putuphandoutgiveout

Fillintheblankswiththephrasalverbsinthebox.4abebusywith...忙于，后接名词或代词if

引导的宾语从句，if意为“是否”helpmovedomakevisitspendMostpeopletodayareonlyworriedaboutgettinggoodjobs1.________lotsofmoney.Intheirfreetime,theythinkaboutwhat2._______forfun.However,fewpeoplethinkaboutwhattheycando3._______others.

tomaketodotohelpTherearemanypeoplewhoarelessluckythanus.Volunteeringourtimetohelpthesepeopleisagoodway4.________ourfreetime.Forexample,wecanmakeplans5.______sickchildreninthehospitalorraisemoneyforhomelesspeople.Somepeopleevenstopdoingtheirjobsforafewmonthstoayear6._______toanotherplace,likeoneofthecountriesinAfrica,andhelppeoplethere.tospendtovisittomove

Fillintheblankswiththecorrectformsoftheverbsinthebox.4bbeworriedabout担心……1.I’dliketovolunteer_____________________________________

2.At12:a.m.,Icalledmyfriend______________________________

tohelpkidswiththeirhomework.

toplaysoccertogether.3.I’mverybusybutIcouldhelp______________________________

4.Summervacationiscoming,andIwant_____________________________5.Iwanttotravelalone.Myparentstoldme(not)_____________________takethetrashoutafterdinner.togocampingwithmyfriends.nottodothat.

Completethesentenceswithyourownideas.Useinfinitives.4cIwant__________(become)apolicemanoneday.2.Hewantsthestudents_______(eat)well.3.Theteachermadehisstudents_______(come)intothemeetingroomontime.4.Theboywasfree______(go)whereheliked.5.Nobodytellshimwhat_______(do)next.

根据提示完成下列句子。tobecometoeatcometogotodoIII.根据汉语提示补全句子。1.你愿意帮忙打扫城市公园吗？

Wouldyoulike________________thecityparks?2.莉莉，你能帮我洗碗吗？

Couldyoupleasehelpme_________thedishes,Lily?3.简没有想出解决这道数学题的好方法。

Janedidn’t____________agoodway____________thismathproblem.tohelpcleanupcomeupwithouttoworktowash 4.他们正计划去拉萨旅行。

They’re_______________atriptoLhasa.5.我们应该努力学习，将来为我们的祖国做贡献。

Weshouldstudyhard________amaj