1. I ________ (try) to learn English for years, but I ________ (not succeed) yet. 2. Mary is ill because she ________ (work) in the garden all day. 3. She ________ (work) so hard this week that she ________ (not have) time to go to the movies. 4. That book ________ (lie) on the table for weeks. You ________ (read) it yet? 5. He ________ (not be) here since Christmas. I wonder where he ________ (live) since then. 6. Jack ________ (go) to Paris for a holiday. He never ________ (be) there. 7. You ________ (sleep) so far? I ________ (ring) the bell for the last twenty minutes. 8. He ________ (write) a novel for two years, but he ________ (not finish) it yet. 9. Mary ________ (lose) her hat and she ________ (look) for it until now. 10. She (sleep) ________ for 10 hours! You must wake her.

Cách làm:
1. Điền dạng đúng của động từ trong ngoặc vào chỗ trống ở câu.
2. Xác định thì hiện tại đơn hoặc quá khứ đơn của mỗi câu.
3. Đảm bảo sự phù hợp giữa các động từ trong cùng một câu.

Câu trả lời:
1. have been trying / have not succeeded
2. has worked
3. has worked / has not had
4. has been lying / have you read
5. has not been / has lived
6. has gone / has never been
7. have you been sleeping / have been ringing
8. has been writing / has not finished
9. has lost / has been looking
10. has been sleeping

Các câu trả lời có thể có sự thay đổi tùy theo cách hiểu và sắp xếp của người làm bài.

6. Jack has gone to Paris for a holiday. He has never been there before.

5. He has not been here since Christmas. I wonder where he has been living since then.

4. That book has been lying on the table for weeks. Have you read it yet?

3. She has worked so hard this week that she has not had time to go to the movies.