英语语法之肯定句变否定句一、肯定句变否定句口诀给句子分析它,看它结构是哪个主加be后加not其他一切全照抄主加动词主重要don'tdoesn't来帮忙don'tdoesn't中间夹doesn'tdoesn't最特殊第三人称单数全靠它二、简单句的句子结构1
主语+be+其他2
主语+动词+其他备注:其中be里包括(amisare)判断下列各句是主语加be还是主语加动词1
Iamagirl
Ilikesinging
Wegotoschooleveryday
Theyaregoodfriends
Heworkshard
Shelikesplayingwithtoys
MymotherwatchesTVeveryday
Youareabeautifulgirl
Tomisplayingfootballontheplayground
Billdoeshishomeworkaftersupper
三、肯定句变否定句规则肯定句主语+be+其他变成主语+be+not+其他主语+动词+其他变成主语+don't+动词+其他主语(第三人称单数)+动词单三+其他变成主语(第三人称单数)+doesn't+动词原形+其他练习1
SheiswatchingTVnow
WegotoschoolonSunday
Hisfatherworkshard
Jack'smotherisanurse
Thecatrunsfast
Theylikereadingbooks
Mygrandpagivesmeahotdog
Tomoftenwalkstoschool
Ihaveadoll
Itiseatingfish