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  • 2022-06-17 16:03:11 发布

小学英语语法:把肯定句改成否定句

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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:Iwenttoschoolyesterday.→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、           ThestudentsofClass5arecleaningtheclassroom.______________________________________________________4、           Theirdogisplayingintheroom.______________________________________________________5、           TomandMaryarefriends.______________________________________________________6、        Thesebusesarenew.______________________________________________________7、         Therearesomebooksinthebookcase.______________________________________________________8、          Thereisabananainthebox. ______________________________________________________9、           I’mastudent.______________________________________________________10、       Sheisafarmer.______________________________________________________11、       Yourfathercanrideabike.______________________________________________________12、       Mr.Licandrawpictures.______________________________________________________13、       Theycanplayfootballafterschool.______________________________________________________14、       IcangotoShanghaiZoo.______________________________________________________15、       Youshouldclimbthetree.______________________________________________________16、       WecomefromChina.______________________________________________________17、       It’stimeforsports.______________________________________________________18、       Welikethemask.______________________________________________________19、       Helikestheviolin.______________________________________________________20、       Havesomebread,Tom.______________________________________________________21、       Pleaseopenyourbooks.______________________________________________________22、       IlikeChinese、Maths、ArtandPE.______________________________________________________23、       Listentotheradio,please.______________________________________________________24、       Kicktheballtome.______________________________________________________25、       Peter,drinksomejuice,please.______________________________________________________26、       PleasewatchTV.______________________________________________________27、     Iamabusdriver.______________________________________________________28、Thedogcanjump. ______________________________________________________29、       TodayisMonday.______________________________________________________30、       Theyaregoodfriends.肯定句改成否定句