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1、陈述句改否定句 陈述句变否定句的规则如下： （1） 句中有be动词的，直接在be动词后面加not. She is my sister. She is not my sister. （2） 句中有情态动词的，直接在情态动词后面加not You may come here tomorrow . You may not come here tomorrow. （3） 句中谓语动词是实意动词,没有be动词am is are，也没有情态动词can may must的，在实意动词前面加dont或doesnt,，当主语是第三人称单数时，加doesnt.相应的实意动词变为原型。 She studies Eng
2、lish at school . She does not study English at school.陈述句改疑问句 陈述句变疑问句的规则如下： （1） 句中有be动词的，把be动词提到句首。 He is a writer. Is hea writer? （2） 句中有情态动词的，把情态动词提到句首。 （must, may, can,could,need,) I can clean the window. Can you clean the window? （3）句中谓语动词是实意动词,没有be动词am is are，也没有情态动词can may must的，在句首前面加do或does，
3、当主语是第三人称单数时，加does.相应的实意动词变为原型 He likes cows. Does he like cows? 肯定回答和否定回答 Are you boys? Yes,we are(No,we arent) Is she a nurse? Yes,she is.(No,she isnt) Does he like cows? Yes,he does.(No,he doesnt) Do we dance after school? Yes ,we do.(No,we dont) He is my brother. He is not my brother. =He isnt my
4、 brother. Is he my brother? Yes,he is. No,he is not. = No,he isnt She can swim. She can not(cant)swim. Can she swim? Yes,she can. No,she can not(cant). Ann likes running. Ann doesnt like running. Does Ann like running? Yes,she does. No,she doesnt.特殊疑问句 特殊疑问句：以疑问代词或疑问副词开头，提出疑问的句子。 它的基本结构是：特殊疑问词一般疑问句语
5、序。但是如果疑问词在句子中作主语或作主语的定语，就用特殊疑问词陈述句语序。常用的疑问词有：what, who(whom), whose,which,when,where,how,why等，回答时针对问句中的代词和副词来回答，不用yes或no来回答。 特殊疑问句 特殊疑问词一般疑问句 eg:Be+主语+动词-ing+其他？ eg:Do/does+主语+动词原形+其他? what,who(whom),whose,which,when, where,how,why 不用yes或no来回答 1) what对指物名词或谓语动词提出疑问 Thetwinsaremakingakite What are th
6、etwinsdo? MrsTurneraskshersontobuysomeeggs. What does MrsTurneraskherson tobuy ? 2)对名词前定语提出疑问，疑问词应用which，而且必须和名词连用。 Imgoingtotaketheshirtontheright. Which shirtareyougoingtotake? 3)对指人名词或代词提问用who。 LiPingis my sister. Who is LiPing? 4)对物主代词和名词所有格提问用whose ，作宾语时提问用whom LiPingscoat Whosecoat myfather Wh
7、osefather 5)对具体时间提出疑问,疑问词用when； 对具体几点钟提问，疑问词用whattime。 Its 10:00 What time is it? I go home at night. When doyou go home? 6)对具体地点提出疑问，疑问词应用where。 Theboysarehavingapicnicin the park. Where aretheboyshavingapicnic ? 7)对表原因的从句提问，常见的有because引导的从句，疑问词应用why。 Jomdidntgotothefarmwithusbecausehewasill. Why d
8、idJomgotothefarmwithus? 8)对方式或程度等提出疑问，用疑问词How。 He likes applesverymuch. How does he like apples? 9)对数量提出疑问，疑问词为Howmany，要注意howmany必须跟名词的复数形式。 There are twosheep . Howmanysheepare there? 10)对价格提出疑问，疑问词用Howmuch。 Ipay fiftyyuanforthesweater. How muchdoyoupayforthesweater? 11)对时间长度提出疑问，疑问词应用Howlong。 Iwor
9、kinthatfactoryfortwoyears. How long do youworkinthatfactory? 12)对时间频率，如onceayear,twiceaweek等提问，疑问词用Howoften。 I swim onceayear. How often do you swim? 13)对具体次数,once,twice,threetimes等提问，疑问词用Howmanytimes。 B didhecallyouthedaybeforeyesterday? Twice. A.WhattimeB.Howmanytimes C.HowmuchD.Howlong 14)对in一段时间提问，疑问词一般用Howsoon。 They finishtheworkintwohours. How soon dotheyfinishthework? 15)对距离提出疑问，疑问词用Howfar。 Itsabouttwokilometresfromhere. How far is it fromhere? 16)另外，对日期、星期、天气等提出疑问，则分别用 Whatsthedate? Whatdayisit? Whatstheweatherlike? 如果是过去时间，就用was代替is。