1Unit1Helpingthoseinneed.重点句子:1.Cindyisinhospitalbecauseshesufferedfromseriousillnesses.2.Shewantedtopaintapictureoftheparknearherhome.3..Iwentthereandtooksomephotosofit4.Herparentsdiedinacaraccident,andsheisunhappyandverylonely.5.Hehurthislegsinanaccident,buthehaslotsofcourage.6.WeneedtohelpchildrenlikeTimandraisetheirspirits.Grammar动词不定式:①基本形式:to+动词原形(在某些情况下可以不带to)②特点:A.没有人称和数的变化B.可以有自己的宾语和状语C.有时态和语态的变化(被动语态的形式为tobe+动词过去分词)D.动词不定式的否定式直接在不定式的前面加not.③动词不定式用法:1.作主语动词不定式作主语时,句子的谓语动词常用单数,其位置有以下两种:(1)把不定式置于句首。如:Togettherebybikewilltakeushalfanhour.Tolearnaforeignlanguageisnoteasy.=It’snoteasytolearnaforeignlanguage.(2)用it作形式主语,把真正的主语不定式置于句后,常用于下列句式中。Itisgoodtohelpothers.帮助他人是件好事。ItisexcitingtosurftheInternet.上网是件令人兴奋的事。2.作表语(表语是用来说明主语的身份、性质、品性、特征和状态的,表语常由名词、形容词、副词、介词短语、不定式、动词的-ing、从句来充当,它常位于系动词(be,become,appear,seem,look,sound,feel,get,smell等词)之后。如果句子的表语也是由一个句子充当的,那么这个充当表语的句子就叫做表语从句)Theimportantthingistofinishtheworkontime.(完成工作)Whatyouhavetodonowistocleantheclassroom.(打扫教室).23.作宾语(1)动词+todo常见动词有agree,choose,decide,forget,fail,goon,learn,hope,mean(意味;想要)need,offer,plan,regret,require,remember,seem,stop,try,wish,want等[注意]:部分动词后接不定式与接动名词的含义不同。如stop,forget,rememberHedecidedtobuy(buy)thecamera.Iwanttolistento(listento)somemusicafterclass.Ihopetotravel(travel)allovertheworldoneday.(2)动词+疑问代(副)词+todoIdon’tknowwhattodo.(做什么)howtodoit/that.(怎么做)wheretogo(去哪里)whentoleave(什么时候出发)(3)动词+it(形式宾语)+宾补+todoIfinditimportanttolearnEnglish我发现很难和他好好相处.Ifindithardtogetonwellwithhim.我发现在炎热的夏天很容易入睡.Ifinditeasytofallasleepinhotsummer.4.做宾补(1)动词+宾语+todoLiMeiaskedmetoshowherthenewdictionary.注:有以上结构的常用动词有tell.wish,ask,want,like,beg(请求),invite(邀请),warn(警告,提醒),allow,encourage,advise等。(2)动词+宾语+do(不带to的不定式)注:常用的动词是:感官动词see,hear,feel,watch,notice;使役动词have,make,let.(如果将其改成被动语态,必须将不定式符号to还原。)固定搭配:makesb.dosth.5.作状语(可以表目的、表结果、表原因)。为了强调目的,有时可以把不定式放在句首,或在不定式前面加inorderto…或soasnotto…Icameheretotellyougoodnews.(告诉你一个好消息)Shestydiedhardtopasstheexam.她刻苦学习,以便通过考试。6.作定语(必须后置)3我们每天有很多作业要做.Wehavealotofhomeworktodoeveryday.我有个好消息要告诉你.Ihavegoodnewstotellyou.以下几种情况使用不带to的动词不定式:1.在固定词组hadbetter之后。注意:hadbetter的否定形式是hadbetternotdosth.。例如:Youhadbettergohomenow.你最好现在回家。It'scoldoutside.You'dbetternotgoout.外面很冷,你最好不要出去。2.在感官动词see,watch,feel,hear,lookat,listento和使役动词have,make,let后要跟不带to的动词不定式作宾语补足语。例如:Imadethemgivemethemoneyback.我迫使他们把钱还给我。Ididn'tseeyoucomein.我没看见你进来。3.在动词help之后做宾语或宾语补足语的不定式,to可省略也可保留。Willyouhelpme(to)movethetable?请帮我搬一下桌子好吗?练习(一):1.Theworkerswantus______togetherwiththem.A.workB.workingC.toworkD.worked2.Thereisn’tanydifferencebetweenthetwo.Ireallydon’tknow_________.A.wheretochooseB.whichtochooseC.tochoosewhatD.tochoosewhich3.Theteachertoldthem____makesomuchnoise.A.don’tB.notC.willnotD.notto4.Hegaveussomeadviceonhow____English.A.learningB.learnedC.tolearnD.learn5.I’mthirsty.Wouldyoupleasegivemesomething________.A.drunkB.todrinkC.tobedrunkD.fordrinking46.Tomisthefirst_____toschool.A.getB.togetC.gettingD.Got7.Theboywantedtoridehisbicycleinthestreet,buthismothertoldhim______.A.nottoB.nottodoC.notdoitD.donotto8.Isawhim_______outoftheroom.A.goB.hadgoneC.hasgoneD.goes9.---_______moreabouttomorrow’sweather,call121.---OK,Iwill.Thankyou.A.KnowB.KnowingC.ToknowD.Known10Wemustdoeverythingwecan____wastewaterfromrunningintorivers.A.keepB.keptC.tokeepD.keeping11.Let’s____playinthestreet.Fathertellsme__doso.A.notto;nottoB.not;nottoC.don’t;tonotD.notto;don’t12.WhenIcameintotheroom,hepretended____hishomework.A.todoB.bedoingC.doingD.tobedoing练习(二):1.LinderoffersherpocketmoneytotheHopeProject.A.makesB.getsC.givesD.puts2.Iwillcontinueplayingthegameafterfinishingthehomework.A.goonB.goinC.gooutD.goup3.Herfaceisfullofjoy.Isthereanygoodnews?A.lonelinessB.happinessC.sadnessD.goodness4.IhavealovelydollcalledMary.A.askedB.namedC.saidD.made5.Therearelotsoffishinthelake.A.alittleB.afewC.muchD.many6.--Whydoyousaythisisyourschoolbag?--Itiseasy.Can’tyousee__”s”onthecornerof__schoolbag?A.a;aB.a;theC.an;aD.an;the7.--Wecouldn’tfinishourworksoearly____yourhelp.Thanksalot.--That’sallright.A.withoutB.withC.forD.by8.--Lilyisagooddaughter.--Yeah.She___mostofhersparetimewithherparents.5A.spendsB.costsC.takesD.affords9.--Ihavegreat____infinishingtheworkbymyself.Couldyouhelpme?--Noproblem.A.funB.successC.adviceD.difficlty10.----Linderdecided_____forawalkintheforest.----Oh,it’sdangeroustogoalone.A.goB.togoC.goingD.goes11.----Theearthishometo_____animals.----Right.A.millionB.millionsC.millionofD.millionsof12.--Maryis___athomethesedays.--Butshedoesn’tfeel____forshehasmanythingstodo.A.alone;lonelyB.lonely;aloneC.alone’aloneD.lonely;lonely13.----MrWangasksthestudents_____intheriver.----Yes,becauseitistoodangerous.A.swimB.toswimC.nottoswimD.tonotswim14.--Wouldyoulikesometea?--Yes,andIprefertea_____somesugar.A.toB.forC.withD.from15.--Whatareyoudoing?--Weare_____moneyforcharity.A.puttingB.givingC.raisingD.rising16.--Timusedto_____sportsuntilhehurthislegsinanaccident.--PoorTim.A.lovedB.lovingC.loveD.loves17.--I’mnewhere.--Don’tworry.I’lldowhatIcan_____you.A.helpB.tohelpC.inviteD.toinvite18.--Whydon’tyo