英语肯定句变否定句练习

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.Idon’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.Hedoesn’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:Iwenttoschoolyesterday.→Ididn’tgotoschoolyesterday.4.肯定句中的some在否定句中应改为any如：Therearesomestudentsintheclassroom.Therearenotanystudentsintheclassroom.将下列各句改成否定句1、Tom’sbrotheriswalkinginthepark.______________________________________________________2、Therearesomebooksinthebookcase.______________________________________________________3、ThestudentsofClass5arecleaningtheclassroom.______________________________________________________4、I’mastudent.5、Stopandwaitataredlight._________________________________________________6、Yourfathercanrideabike.______________________________________________________7、Theycanplayfootballafterschool.______________________________________________________8、WecomefromChina.______________________________________________________9、Touchthedoor.______________________________________________________将下列否定句变肯定句1、Don’tgoataredlight.2、Don’trunontheferry._______________________________________________3、Idon’tgotoschool.4、Theferrydoesn’twork._______________________________________________5、Don’tturnleftontheroad.______________________________________________________