改否定句的方法 ； 一步法

1. 在be动词（am, is, are）后加否定词not。如：is not ， are not ， am not；其中isnot=isn’t, are not= aren’t, 前者为“完全形式”，后者为“缩略形式”。 注意：否定词not在be后边。

2. 在can后加not。改成：cannot=can’t.

3. 上述都没有的，在动词前加助动词do的否定形式donot=don’t。

4. some 改成any。

如:There is some milk. → There isn’t any milk.

He can swim. →Hecan’t swim.

We like dogs, → Wedon’t like dogs.

1.     They are reading.

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2.     We are tall.

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3.     It is an elephant.

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4.     There is some milk in the glass.

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5.     There are some boys in the park.

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6.      Mary’sshoes are red.

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7.      Myruler is long.

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8.      Samis my brother.

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9.      Theycan fly kites.

_______________________________

10. He can fly akite.

________________________________

11. She can swim.

________________________________

12. We likeplaying in the park.

________________________________

13. I like PE._______________________

14. I go to thepark after school.

________________________________

15. They go to thezoo.

________________________________

16. I have a nicedoll.

________________________________

17. I likewatching TV.

________________________________

18. Her mum isthin.

________________________________

19. They arehappy.

________________________________

20. Those arecars.

_________________________________

21. We can playfootball.

________________________________

22. I have somebooks.

________________________________

改否定句的方法 ； 一步法

1. 在be动词（am, is, are）后加否定词not。如：is not ， are not ， am not；其中isnot=isn’t, are not= aren’t, 前者为“完全形式”，后者为“缩略形式”。 注意：否定词not在be后边。

2. 在can后加not。改成：cannot=can’t.

3. 上述都没有的，在动词前加助动词do的否定形式donot=don’t。

4. some 改成any。

如:There is some milk. → There isn’t any milk.

He can swim. →Hecan’t swim.

We like dogs, → Wedon’t like dogs.

1.     They are reading.

_________________________________

2.     We are tall.

_________________________________

3.     It is an elephant.

__________________________________

4.     There is some milk in the glass.

_________________________________

5.     There are some boys in the park.

_________________________________

6.      Mary’sshoes are red.

________________________________

7.      Myruler is long.

________________________________

8.      Samis my brother.

________________________________

9.      Theycan fly kites.

_______________________________

10. He can fly akite.

________________________________

11. She can swim.

________________________________

12. We likeplaying in the park.

________________________________

13. I like PE._______________________

14. I go to thepark after school.

________________________________

15. They go to thezoo.

________________________________

16. I have a nicedoll.

________________________________

17. I likewatching TV.

________________________________

18. Her mum isthin.

________________________________

19. They arehappy.

________________________________

20. Those arecars.

_________________________________

21. We can playfootball.

________________________________

22. I have somebooks.

________________________________