实义动词的否定句 否定句中and ，some 与any 的用法 情态动词can 的否定 Be 动词的否定构成 ： be + not I am a girl. I am a girl. not You are short. You are short. not She is ugly. She is ugly. not把下列句子变成否定句 1.I am a girl._ 2.He is my teacher._ 3.Jimmys dad is in the bathroom. _ 4.She is watching TV now _ 5.There is a bird on my head. _can 的用法 can 情态动词，可以，能 主语+can +V e.g. You/He/I can hear the music. I/ She/ You/ He can dance. 构成：在can 后加not, 其余部分不变 。 can not= cant e.g. The birds can fly. The birds can not =cant fly. Mary can dance.
