Помогите написать дз по английскому ... Я в недоумении просто:

I. Make the following sentences a) interrogative; b) negative.

1. They have travelled a lot. 2. I have never been to London. 3. She has visited China twice. 4. This is the first time he has driven a car. 5. Tom has met many interesting people. 6. She has already translated this article. 7. Nick has just seen him. 8. He had translated the article by Thursday. 9. The secretary had sent all the faxes off when he came. 10. When we got to the hall, the concert had started. 11. She will have done the job by the beginning of the week. 12. We'll have arranged everything necessary before the delegation arrives. 13. They'll have completed the construction by the end of May.

1. They have travelled a lot. Have they travelled a lot? They have not travelled a lot.

2. I have never been to London. Have I ever been to London? I have not been to London.

3. She has visited China twice. Has she visited China twice? She has not visited China twice.

4. This is the first time he has driven a car. Is this the first time he has driven a car? This is not the first time he has driven a car.

5. Tom has met many interesting people. Has Tom met many interesting people? Tom has not met many interesting people.

6. She has already translated this article. Has she already translated this article? She has not already translated this article.

7. Nick has just seen him. Has Nick just seen him? Nick has not just seen him.

8. He had translated the article by Thursday. Had he translated the article by Thursday? He had not translated the article by Thursday.

9. The secretary had sent all the faxes off when he came. Had the secretary sent all the faxes off when he came? The secretary had not sent all the faxes off when he came.

10. When we got to the hall, the concert had started. Had the concert started when we got to the hall? When we got to the hall, the concert had not started.

11. She will have done the job by the beginning of the week. Will she have done the job by the beginning of the week? She will not have done the job by the beginning of the week.

12. We’ll have arranged everything necessary before the delegation arrives. Will we have arranged everything necessary before the delegation arrives? We’ll not have arranged everything necessary before the delegation arrives.

13. They’ll have completed the construction by the end of May. Will they have completed the construction by the end of May? They’ll not have completed the construction by the end of May.