Question

求高手解答下面的英语题

一、判断下列句子是否含有现在完成时
1 I have answered the question. ( )
2 The police knew the truth. ( )
3 Computer has helped human beings a lot. ( )
4 The little boys have drunk 200 ml of milk. ( )
5 We kept in touch with each other by email. ( )
6 The students have drawn many beautiful pictures. ( )
7 Sally has left for Beijing. ( )
8 I have studied English for 10years. ( )
9 The workers built many tall buildings. ( )
10 Your siser has got five prizes. ( )

二、把上面含有现在完成时的句子变否定句，一般疑问句并回答

Answer 1

1,3,4, 6, 7, 8, 10,有现在完成时.其它没有.
Have you answered the question?
Yes, I have, No, I haven't.
I haven't answered the question.
3. Has computer helped human beings a lot?
Yes, it has./No, it hasn't .
Computer has not helped human beings a lot.
4.Have the little boys drunk 200 ml of milk?
Yes, they have, No, they haven't.
The little boys have not drunk 200 ml of milk.
6.Have the students drawn many beautiful pictures?
Yes, they have, No, they haven't.
The students have not.drawn many beautiful pictures
8.Have you studied English for 10 years?
Yes, I have, No, I haven't.
I have not studied English for 10years.
10.Has your sister got five prizes?
Yes, she has, No, she hasn't.
Your siser has not got five prizes.

Answer 2

1. yes   i haven't answered the question. have i answered the question? yes, i have.

2. no  the police didn't know the truth. did the police know the truth? yes, he did.

3. yes  computer hasn't helped human beings a lot. has computer helped human beings much?  yes, it has.

4. yes   the little boys haven't drunk 200 ml of milk.  have the little boys drunk 200 ml of milk?

            yes, they have.

5. no    we didn't keep in touch with each other by email. did you keep in touch with each other by email? yes, we did.

6. yes   the students haven't drawn many beautiful pictures.  have the students drawn many beautiful pictures? yes, they have

7. yes   sally hasn't left for beijing.  has sally left for beijing? yes, she has.

8. yes. i haven't studied english fo 10 years. have you studied english for 10 years? yes, i have.

9. no  the workers didn't build many tall buildings. did the workers build many tall buildings? yes, they did.

10. yes    your sister hasn't got five prizes. has your sister got five prizes? yes, she has.