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1、小学英语肯定句变否定句肯定句变否定句 一、 有be动词的，可以在这些单词后面直接加not. 注意缩写 is not= isnt are not= arent 二、 有情态动词的，可以在这些单词后面直接加not. 注意缩写 can not=cant would not=wouldnt 三、 没以上那些单词只有动词的，像walk, swim, run, clean, eat, drink, sleep 等等，需要在动词前加do, 然后再加not, 即 dont. 例子：I am a nurse. I am not a nurse. 1、 He is my father. He _ _ my fat
2、her. 2、 Id like a pie. I _ _ like a pie. 3、 This is a book. This _ a book. 4、 Tim and Tom have two robots. Tim and Tom _ have two robots. 5、 Those are his robots. Those _ _ his robots. 6、 Sam can swim. Sam _ _ swim. 7、 Stand up. _ stand up. 8、 These are my crayons. These _my crayons. 9、 There is a b
3、ox on the desk. There _ _ a box on the desk. 10、 I can see a boat. I _ see a boat. 11、 Tim would like to sleep. Tim _ like to sleep. 12、 I like apples. I _ _like apples. 综合练习 1、 I _(not) his sister. 2、 _(not) clean the blackboard. 3、 I _(not) have a book. 4、 These _(not) my rubbers. 5、 The door _(not) open. 6、 _(not) have a look. 7、 Id like an ice cream. (改否定句) 8、 She can skate. (改否定句)
