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1、Unit2SectionAGrammarFocusI’dliketohelphomelesspeople.2.Shedecidedtotryoutforavolunteer.3.Youcouldaskhospitalstoletyouvisitthekidsandcheerthemup.4.Mariobelievesitcanhelphimtogethisfuturedreamjob.5.Shevolunteersthereonceaweektohelpkidslearntoread.6.I’mtakingsomesignstoputuparoundtheschool.R
2、evisioncould是情态动词can的过去式,但常用来表示委婉的语气，此时与过去式无关，语气比can更委婉。可以用来表示建议或劝告，意为“可以；不妨”。couldforsuggestionsGrammarThegirlcouldvisitthesickkidsinthehospitaltocheerthemup.Theboycouldgiveoutfoodatthefoodbank.Thegirlcouldvolunteerinanafter-schoolstudyprogramtoteachkids.Theboycouldhelptocleanupthecitypa
3、rks.---Ineedtogetsomemoneytopayforsummercamp.WhatshouldIdo?---Ithinkmaybeyoucouldgetapart-timejob.·---Couldyouletmehaveyourpassport?---Yes,hereitis.知识链接·could表示“能力”或“可能性”，作为can的过去形式。如：CouldyouspeakEnglishthen？那时你能讲英语吗？短语动词PhrasalverbsGrammar短语动词是指英语中有些动词和其他词类一起连用，构成一个固定词组，可看成一个整体，相当于一个单独的
4、动词，这种组合称之为短语动词。★动词+介词此类短语动词可以用作及物动词,后面必须接宾语。Lookattheblackboard,please!请看黑板！此类短语动词还有listento,dependon/upon,lookfor,dealwith,lookafter,takeafter,waitfor等。短语动词的构成基本有下列几种:★动词+副词此类短语动词既可以用作及物动词,也可以用作不及物动词。Igetupveryearlyeverymorning.我每天早晨都很早起床。Canyouworkoutthisproblem?你能做出这道题吗？注意:当此类短语动词用作及物动
5、词时,如果宾语是名词,可以将其放在短语的后面,也可以放在动词和副词之间；如果宾语是代词,则必须将其放在动词和副词之间。Heputonhisclothesquickly.=Heputhisclothesonquickly.他快速地穿上了衣服。Pleasewakemeupatfivetomorrowmorning.请明天早晨五点钟叫醒我。此类短语动词还有：cleanup,cheerup,giveout,eatup,fixup,giveup,giveaway,handout,helpout,putoff,putup,takeoff等。★动词+副词+介词此类短语动词可以用作及物动
6、词。We’rerunningoutofwater.我们的水快用光了。此类短语动词还有comeupwith,dowellin,lookforwardto,lookdownupon,lookoutof,putupwith等。★动词+名词+介词此类短语动词的意义取决于名词,而不是动词,修饰时不用副词而用形容词。Weshouldtakegoodcareofourparents.我们应该好好照顾我们的父母。此类短语动词还有makeuseof,takepridein,makefriendswith,payattentionto等。4aFillintheblankswiththephr
7、asalverbsinthebox.1.Iwantto____________myplantoworkinananimalhospitaluntilnextsummer.I’mtoobusywithmystudiesthisyear.2.Shehopesto_______atleastfiveprimaryschoolstoaskiftheyneedtovolunteersfortheirafter-schoolprograms.putuphandoutcallupcheerupcomeupwithgiveoutputoffp
