陈述句变否定句一般疑问句特殊疑问句及练习(改)

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简单句各句式转换的方法

一、肯定句改否定句的方法:一步法

1、如果肯定句中已有be,则在be动词后加not。如:is not , are not , am not, was not, were not;

2、肯定句中如已有can,should, will等,则在其后加not。如:cannot, should not, will not; 3、肯定句中如没有上述Be动词或情态动词则先借

助动词do/does/did的否定don’t/doesn’t/didn’t。

4、肯定句中如有some则改成any。

eg:把下面的句子变成否定句。

1.She is watching TV now.

2.We go to school onSunday.

3.His father works hard.

4.Jack's mother is a nurse.

5.The cat runs fast.

6.They like reading books.

7.My grandpa gives me a hot dog.

8.Tom often walks to school.

9.I have a doll.

10.It is eating fish. 二、 肯定句改一般疑问句的方法——三步法 1、肯定句中有be动词时,把be动词提到句首,剩下的照抄,(some 改成any,my改成your等)句号改成问号。

2、肯定句中已有can,shall, will等时,则把这些词放到句首,剩下的照抄,(some 改成any,my改成your等)句号改成问号。

3、如果肯定句中没有上述单词,则在句首借助动词Do/Does/Did帮忙,把后面的动词变为原形,剩下的照抄,(some 改成any,my改成your等)句号改成问号。

eg: They are in the park.

9、A: _______ this red one? B:It’s beautiful. 10、A: Can I have some paper and some crayons?

B: _______ ? 11A:_______ is your cousin?

B: He’s 15 years old. 12、A:_______ do you have dinner?

B: At 6 o’clock. 二、按要求变换句型 1. He does well in Maths. (改为否定句)

2.Mike runs as fast as Ben. (改为一般疑问句) 3.Jim is good at English and Maths. (对画线部分提问)

4. The policeman

caught the thief. (改为一般疑问句,作否定回答) 5. Turn right at the third crossing. (改为否定句) 6. How can I get to the shopping centre? (改为同义句)

7. Are they American cars? (改为单数)

8. Don’t go along this street. (改为肯定句) 9. I get to the

shopping centre by bus. (对画线部分提问)

10. It always rains in summer there. (改为一般疑问句,作肯定回答)

11. It’s cold in winter there. (对画线部分提问) 12. I like autumn best. (改为否定句) 13. Su Yang is asking Ben some questions. (对画线部分提问) 14. Please turn off the light. (改为否定句)

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