英语语法之肯定句变否定句

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1、、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.2.Ilikesinging.3.Wegotoschooleveryday.4.Theyaregoodfriends.5.Heworkshard.6.Shelikesplayingwithtoys.7

2、.MymotherwatchesTVeveryday.8.Youareabeautifulgirl.9.Tomisplayingfootballontheplayground.10.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.2.WegotoschoolonSunday.3.Hisfatherworkshard.

3、4.Jack'smotherisanurse.5.Thecatrunsfast.6.Theylikereadingbooks.7.Mygrandpagivesmeahotdog.8.Tomoftenwalkstoschool.9.Ihaveadoll.10.Itiseatingfish.