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8AUnit4Doityourself知识点复习一、词组1.noproblem没问题2.instructionn.指示，说明readtheinstructions3.hadbetterdosth/notdosth4.standfor代表，象征5.terribleadj.可怕的terriblyadv.lookterrible看起来很糟糕beterribleat......在......很糟糕6.makeamistake犯错误拓展：bymistake错误地andnomistake无疑地，的确7.allday=thewholeday整天注意all与whole的区别8.takeacourse学习一门课程9.attendlessons上课辨析takepartin/attend/join/joinin的区别9.insteadof+doingsth代替，而不是注意与Instead的区别10.repairthetablerepair=mend11.oughttodosth==shoulddosth应该做某事12.giveadvice给出建议advice不可数someadvice一些建议13.helpsb(to)dosth/helpsbwithsth拓展：Can’thelpdoingsth禁不住，情不自禁地做Withthehelpofsb==withone’shelp在某人的帮助下Helpyourself请随便吃14.leavev.使处于某种状态leave+n/pron+adj/adv/pp15.fillsthwith...把......装满，充满sthbefilledwith==sthbefulloffillin填满，填充16.spend/pay/cost/take的辨析17.becrazyabout.....对......着迷drivesbcrazy18.workon从事于，继续工作workout算出，解决，制定出19.keepondoingsth一直持续不断地做某事keepsb/sthdoing让某人/某物不停地做20.finishdoingsth做完某事21.correctadj.正确的correctlyadv.Incorrectadj.不正确的22.activeadj.积极的，活跃的inactiveadj.activityn.23.benothappywith.....对......不满意24.secretadj秘密的keepasecret25.Itsoundslovely.sound“听起来”，系动词，后接形容词作表语，类似的lookfeeltastesmell26..Nowthelivingroomhasnotonlybluewallsbutalsoablueceilingandfloor.notonly…butalso不但…而且…27.IalsoadvisedhimtotakeacourseinDIY.advisesb.todosth.建议某人做某事advicen.不可数suggestionn.可数二、句型1.You’dbetterbecareful!你最好小心点！hadbetter+动原,最好…无时态和人称的变化你最好完成家庭作业。__________________________________2.Suzy’DadlikesdoingDIYonhisown.onone’sown=byoneself=alone独自王先生独自居住。MrWanglives______________________.3.Also,Sandyhelpedmewiththedrawing.也…also放在句首或句中，too放在句尾4.Ihadalittletroublewritingthesentence‘Happybirthday’havetrouble(in)doingsth=havedifficulty(in)doingsth做…有困难他总是在写家庭作业方面遇到困难。___________________________________________.相同用法：havefun(in)doingsth做…有乐趣5.Hefeltthelivingroomwasabitboring.alittle=abit+adj有点儿有点累___________________6.Hereisyournewbed.Here引导的倒装句：here+谓语+主语Eg.这是你的书。________________________________.注：当有人称代词时，位于放在主语后面：here+主语+谓语Eg.Hereitis.7.情态动词should/oughtto/hadbetter的用法：肯定句：should/oughtto/hadbetter+动词原形否定句：shouldnot+动词原形oughtnotto+动词原形hadbetternot+动词原形你最好不要爬树。___________________________________________.三、语法：祈使句定义：用于表达命令，请求，劝告，警告，禁止等的句子叫做祈使句。因对象通常为第二人称，所以常省略，谓语动词用一般现在时。肯定句：1．Do型（动原+宾语+其他）Eg.Haveaseathereplease.请坐在这儿。Keepoffthegrass.勿踏草坪。Goandwashyourhands.请去洗洗手。2.Be型（Be+表语（名词或形容词）+其他）Beagoodboy.做个好孩子吧。Becareful!小心！3.Let型（Let+宾语+动原+其他）Letmehelpyou.让我帮助你。否定句：Do型，Be型，Let型都可以在句首加Don’t.但是Let型还可以在动原前面加notEg.Don’tgoandwashyourhands.请不要去洗手。Don’tbecareless.别粗心。Don’tlethimhavealook.=Lethimnothavealook.不要让他看。注：No+名词/动词ing表示禁止，也是一种否定句。Nosmoking.禁止抽烟。Noparking.禁止泊车。Noswimming.禁止游泳。Nophotos.禁止拍照。Nopet.禁带宠物。祈使句的反义疑问句：1.肯定句的反义疑问句，疑问部分用willyou/won’tyou均可。Pleaseopenthedoor,willyou/won’tyou?Goandwashyourhands,willyou/won’tyou?2.否定句的反义疑问句，疑问部分用willyou。Don’tgoandwashyourhands，willyou?Don’tbecareless,willyou?Don’tbelate,willyou?3.以Let’s开头，疑问部分用shallwe,以Letus开头，疑问部分用willyou/won’tyou均可.Letmehelpyou,willyou/won’tyou?Let’sgotoschool,shallwe?