小学英语肯定变否定句（课堂PPT）

1、123否定句中否定句中and，some与与any的用法的用法 情态动词情态动词can的否定的否定 Be动词的否定动词的否定4肯定变否定肯定变否定 肯变否，肯变否，so easy， be can后加后加not； 遇到遇到and 在句中，在句中， and 变变or 别忘记别忘记5构成：be + not I am a girl.I am a girl.not6 You are short.You are short.not She is ugly.She is ugly.not7将下列句子改成否定句：将下列句子改成否定句：1. I am a student.I am not a student.I

2、am a teacher.8将下列句子改成否定句：将下列句子改成否定句：1. I am a boy.I am not a boy.I am a girl.9将下列句子改成否定句：将下列句子改成否定句：1. He is my teacher.He is not my teacher.10将下列句子改成否定句：将下列句子改成否定句：They are good students in my class.They are not good students in my class.114. My mothers Miss Panda.My mother is Miss Panda.My mother

3、is not Mrs Wang. 缩写：缩写：isnt 125. Were sad. We are sad. We are not sad.136. Kittys brothers five.Kittys brother is five.Kittys brother is not five. 缩写：缩写：isnt 14can 的用法的用法 can 属于情态动词，一般表示属于情态动词，一般表示能能，can 没有人称变化，不能单独使用，没有人称变化，不能单独使用，必须后跟动词原形。必须后跟动词原形。 e.g. You/He/I can hear the music.I/ She/ You/ He

4、can dance.15 构成：构成：Can 句型的否定句：在句型的否定句：在can 后后加加not, 其余部分不变。其余部分不变。can not= cant e.g. The birds can fly. The birds can not fly. Mary can dance. Mary cant dance.16Practice I can swim. She can dance. My mother can hear with her ears. Lucy and Linda can walk to school. My Dad can see some children in the garden. 17Practice I can not swim. She can not dance. My mother can not hear with her ears. Lucy and Linda can not walk to school. My Dad can not see some children in the garden. 181. 否定句中and要变为or2. 否定句中some要变为anyHe can sing and dance.He cant