把肯定句改成否定句.doc

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1、把肯定句改成否定句把肯定句改成否定句分以下情况：1、句中有be动词(amisarewaswere)的，在be动词后加not；(1)am---amnot缩写形式(2)is----isnot(=isn’t)(3)are---arenot(=aren’t)(4)was---wasnot(=wasn’t)(5)were---werenot(=weren’t)2、句中有情态动词（can,should,could）的，在情态动词后面加not；缩写形式(1)can---cannot(can’t)(2)should---shouldnot(shouldn’t)(

2、3)could---couldnot(couldn’t)3、句中没有be动词和情态动词的，在动词前加don’t或doesn’t或didn’t（注意：don’t或doesn’t或didn’t后面的动词要用原形。）；①句中动词为原形，在动词前加don’t.如：Ilikeapples.àIdon’tlikeapples.②句中动词为三单式，在动词前加doesn’t，并将三单式的动词还原成原形。如：Helikesapples.àHedoesn’tlikeapples.③动词为过去式,在动词前加didn’t，而且动词过去式要改为原形,例:Iwenttosc

3、hoolyesterday.→Ididn’tgotoschoolyeaterday.4.肯定句中的some在否定句中应改为any如：Therearesomestudentsintheclassroom.àTherearenotanystudentsintheclassroom.将下列各句改成否定句1、           Tom’sbrotheriswalkinginthepark.______________________________________________________2、           Hisfatherisdrivi

4、ngabus.______________________________________________________3、           ThestudentsofClass5arecleaningtheclassroom.______________________________________________________4、           Theirdogisplayingintheroom.______________________________________________________5、         

5、  TomandMaryarefriends.______________________________________________________6、        Thesebusesarenew.______________________________________________________7、         Therearesomebooksinthebookcase.______________________________________________________8、          Thereisaba

6、nanainthebox.______________________________________________________9、           I’mastudent.______________________________________________________10、       Sheisafarmer.______________________________________________________11、       Yourfathercanrideabike.____________________

7、__________________________________12、       Mr.Licandrawpictures.______________________________________________________13、       Theycanplayfootballafterschool.______________________________________________________14、       IcangotoShanghaiZoo.________________________________

8、______________________15、       Youshouldclimbthetree.______________