小学英语肯定变-否定句.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,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,肯定变否定,肯变否，so easy，,be can后加not；,遇到and 在句中，,and 变or 别忘记,1.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,将下列句子改成否定句：,1.I am a student.,I am,not,a student.,I am a teacher.,将下列句子改成否定句：,1.I am a boy.,I am,not,a boy.,I am a girl.,将下列句子改成否定句：,1.He is my teacher.,He is,not,my teacher.,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.,4.My,mothers,Miss Panda.,My,mother is,Miss Panda.,My mother,is,not,Mrs Wang.,缩写：,isnt,5.Were sad.,We,are,sad.,We,are not,sad.,6.Kittys brothers five.,Kittys brother,is,five.,Kittys brother,is,not,five.,缩写：,isnt,can 的用法,can 属于情态动词，一般表示能，can 没有人称变化，不能单独使用，必须后跟动词原形。

e.g.,You/He/I,can,hear the music.,I/She/You/He,can,dance.,构成：Can 句型的否定句：在can 后加not,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.,2.情态动词can的否定,Practice,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.,Practice,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.,4.否定句中and，some与any的用法,1.否定句中and要变为or,2.否定句中some要变为any,He can sing and dance.,He cant sing or dance.,He has some bread and juice.,He doesnt have any bread or juice.,。