英语肯定句变否定句练习
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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don’t或doesn’t ;
①句中动词为原形的,加don’t .如:I like apples. →I do n’t like apples.
②句中动词为三单式的,加doesn’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 yesterday .
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 br other is walking in the park.
______________________________________________________
2、There are some books in the bookcase.
______________________________________________________
3、The students of Class 5 are cleaning the classroom.
______________________________________________________ 4、I’m a student.5、Stop and wait at a red light.
____________________ _____________________________ 6、Your father can ride a bike.
______________________________________________________ 7、They can play football after school.
______________________________________________________ 8、We come from China.
______________________________________________________ 9、 Touch the door.
______________________________________________________
将下列否定句变肯定句
1、Don’t go at a red light.
2、Don’t run on the ferry.
______________________ _________________________ 3、I don’t go to school.4、The ferry doesn’t work.
______________________ _________________________ 5、Don’t turn left on the road.
______________________________________________________