小学英语肯定句变否定句方法及练习

句型转换的方法（一）一、肯定句改否定句的方法——一步法1、在be动词后加not。如：isnot，arenot，amnot，wasnot，werenot；例如：Heisintheclassroom.(改为否定句）Heisnot(isn’t)intheclassroom.2、在can，should，will等后加not。如：cannot，shouldnot，willnot；例如：MikecansingEnglishsongs.(改为否定句）Mikecannot(can’t)singEnglishsongs.3、上述都没有的，在动词前加助动词否定形式don’t/doesn’t/didn’t。例如：Ilikepizza.(改为否定句）Idon’tlikepizza.4、句中有some的要改成any。例如：Therearesomebooksonthedesk.(改为否定句）Therearenot(aren’t)anybooksonthedesk.二．实战演习:把下列各句改为否定句1.Johniswalkinginthepark.__________________________________2.TomandMarryarefriends.___________________________________3.I’mastudent.___________________________________4.ShewillgotoBeijingtomorrow,___________________________________5.Wegettherebybike.___________________________________6.Helikesapples.___________________________________7.Therearesomeflowersinthepicture.__________________________________8.Ioftenplayfootballwithmyfriend.__________________________________9.WearefromChina.__________________________________10.Theycangotoschoolbyferry._________________________________