把肯定句改成否定句[1]

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1、专题: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动词的，在be动词后加not；2、句中有情态动词的（can,should，must，would），在情态动词后面加not；3、句中没有be动词和情态动词的，在动词前加don’t或doesn’t；①句中动词为原形的，加don’t.如：Ilikeapples.àIdon’tlikeapples.②句中动词为三单式的，加doesn’t，并将三单式的动词还原成原形。如：Helikesapples.àHedoesn’tlikeapples.③时态为过去时的,要加didn’t而且动词过去式要改为原形,例:Iwentt

2、oschoolyesterday.→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、           Hisfatherisdrivingabus.___

3、___________________________________________________3、           ThestudentsofClass5arecleaningtheclassroom.______________________________________________________4、           Theirdogisplayingintheroom.______________________________________________________5、           TomandMaryarefriends.

4、______________________________________________________6、        Thesebusesarenew.______________________________________________________7、         Therearesomebooksinthebookcase.______________________________________________________8、          Thereisabananainthebox._______________________

5、_______________________________9、           I’mastudent.______________________________________________________10、       Sheisafarmer.______________________________________________________311、       Yourfathercanrideabike.______________________________________________________12、       Mr.L

6、icandrawpictures.______________________________________________________13、       Theycanplayfootballafterschool.______________________________________________________14、       IcangotoShanghaiZoo.______________________________________________________15、       Youshouldclimbthetree._______

7、_______________________________________________16、       WecomefromChina.______________________________________________________17、       It’stimeforsports.______________________________________________________18、       Welikethemask._________________________________