小学英语语法：把肯定句改成否定句
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专题: 把肯定句改成否定句
把肯定句改成否定句分以下情况：
1、句中有be动词的，在be动词后加not；
2、句中有情态动词的（can ,should，must ，would），在情态动词后面加not；
3、句中没有be动词和情态动词的，在动词前加d on’t或doesn’t ；
①句中动词为原形的，加d on’t.如： I like apples. →I do n’t like apples.
②句中动词为三单式的，加does n’t，并将三单式的动词还原成原形。
如：He likes apples.→ He does n’t like apples.
③时态为过去时的,要加didn’t 而且动词过去式要改为原形,
例:I went to school yesterday .→I didn’t go to school yeaterday .
4.肯定句中的some在否定句中应改为any
如：There are some students in the classroom.→ There are not any students in the classroom.
将下列各句改成否定句
1、Tom’s brother is walking in the park.
______________________________________________________
2、His father is driving a bus.
______________________________________________________
3、The students of Class 5 are cleaning the classroom.
______________________________________________________
4、Their dog is playing in the room.
______________________________________________________
5、Tom and Mary are friends.
______________________________________________________
6、These buses are new.
______________________________________________________
7、There are some books in the bookcase.
______________________________________________________
8、There is a banana in the box.
______________________________________________________
9、I’m a student.
______________________________________________________
10、She is a farmer.
______________________________________________________ 11、Your father can ride a bike.
______________________________________________________ 12、Mr. Li can draw pictures.
______________________________________________________ 13、They can play football after school.
______________________________________________________ 14、I can go to Shanghai Zoo.
______________________________________________________ 15、You should climb the tree.
______________________________________________________ 16、We come from China.
______________________________________________________ 17、It’s time for sports.
______________________________________________________ 18、We like the mask.
______________________________________________________ 19、He likes the violin.
______________________________________________________ 20、Have some bread, Tom.
______________________________________________________ 21、Please open your books.
______________________________________________________ 22、I like Chinese、Maths、Art and PE.
______________________________________________________ 23、Listen to the radio, please.
______________________________________________________ 24、Kick the ball to me.
______________________________________________________ 25、Peter, drink some juice, please.
______________________________________________________ 26、Please watch TV.
______________________________________________________ 27、I am a bus driver.
______________________________________________________ 28、The dog can jump.
______________________________________________________ 29、Today is Monday.