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句型转换专练（一）陈述句肯定句否定句疑问句一般疑问句特殊疑问句一.肯定句变否定句1)Iamastudent.Iamnotastudent.2)Theyareblue.Theyaren’tblue.3)HeisKangkang.Heisn’tKangkang.1.句

子中有be，在be后加not。1)Ihaveabook.Idon’thaveabook.2)TheylikeChinese.Theydon’tlikeChinese.3)WecomefromChina.Wedon’tcomefromChina.2.谓语是动词原形，在动词前加don’t。3.谓语

动词是第三人称单数，在动词前加doesn’t，动词用原形。1)Shehasasmallmouth.Shedoesn’thaveasmallmouth.2)MarialikesChina.Mariadoesn’tlikeChina.3)JanecomesfromtheU.S.A.Janed

oesn’tcomefromtheU.S.A.练习：将下列句子变成否定句。1.Iamateacher.Iateacher.2.Wearestudents.Westudents.3.Janeisagirl.Janeagirl.4.T

heylikeEnglish.TheylikeChinese5.IcomefromChina.IcomefromChina.6.HelikesChinese.HelikeChinese.7.MariacomesfromCuba.MariacomefromCuba.8.WeknowMaria.We

knowMaria.二、肯定句变一般疑问句1)Iamastudent.Areyouastudent?2)Theyareblue.Aretheyblue?3)HeisKangkang.IsheKangkang?1.句子中有be，把be提到句首2.谓语是动词原形，在句首加do。1)Ihaveabook

.Doyouhaveabook?2)TheylikeChinese.DotheylikeChinese?3)WecomefromChina.DoyoucomefromChina?3.谓语动词是第三人称单数，在句首加Does，动词用原形。1)S

hehasasmallmouth.Doesshehaveasmallmouth?2)MarialikesChina.DoesMarialikeChina?3)JanecomesfromtheU.S.A.DoesJanecomefromtheU.S.A?4)Shekn

owsMaria.DoessheknowMaria?练习:将下列句子变成一般疑问句。1.Iamateacher.ateacher?2.Theyarestudents.Students?3.Janeisagirl.agirl?4.TheylikeEngl

ish.theylikeEnglish?5.IcomefromChina.youcomefromChina?6.HelikesChinese.heChinese?7.MariacomesfromCuba.MariafromCuba?8.WespeakChinese.yo

uChinese?三.一般疑问句做肯定,否定回答AreyouMaria?肯定回答：Yes,Iam.否定回答：No,I’mnot.肯定回答：Yes,主+助/系.否定回答:No,主+助/系+not.问句和答语的助动词保持一致.1)Ar

eyouastudent?肯:Yes,Iam.否：No,I’mnot.2)IsheKangkang?肯：Yes，heis.否：No，heisn’t.3)DotheylikeChinese?肯：Yes,theydo.否：No,theydon’t.4)Doesshehaveasmallmouth?肯：

Yes,shedoes.否：No,shedoesn’t.5)Isthatadesk?6)Arethesebooks?7)Arethosepencils?8)Aretheseerasers?9)Isthatanorange

?肯：Yes，itis.否：No，itisn’t.肯：Yes，theyare.否：No，theyaren’t.肯：Yes，theyare.否：No，theyaren’t.肯：Yes,theyare.否：No，theyaren’t.肯：Yes,itis.否：No，itisn’t.练

习：给下列句子做肯定回答或否定回答。1.Areyouastudent?Yes,.No,.2.DotheylikeEnglish?Yes,.No,.3.IsJaneagirl?Yes,.No,.4.DoesMari

alikeChina?Yes,.No,.IamI’mtheynottheydodon’tsheissheisn’tshedoesshedoesn’theisheisn’titisitisn’ttheya

retheyaren’thedoeshedoesn’ttheydotheydon’titisitisn’t5.IsKangkangastudent?Yes,.No,.6.Isthatagirl?Yes,.No,.7.

Arethosetelephones?Yes,.No,.8.DoesTomknowJane?Yes,.No,.9.DotheycomefromtheU.S.A?Yes,.No,.10.Isthisanegg?Yes,.No,.Goodbye!Thankyou!