Dưới đây là các lỗi sai và cách sửa lại cho đúng:

1. **She goes to the gym every day last week.**
- Sửa: She went to the gym every day last week.

2. **They watch a movie at the Sao mai cinema last night.**
- Sửa: They watched a movie at the Sao Mai cinema last night.

3. **Does he read a book while he eats breakfast this morning.**
- Sửa: Did he read a book while he ate breakfast this morning?

4. **I am seeing my grandparents last weekend.**
- Sửa: I saw my grandparents last weekend.

5. **We were going to the beach, but it rained yessterday.**
- Sửa: We were going to the beach, but it rained yesterday.

6. **She is studying for her exam yesterday.**
- Sửa: She studied for her exam yesterday.

7. **Do they have a lot of fun at the party last night?**
- Sửa: Did they have a lot of fun at the party last night?

8. **He not walk with his dog last night.**
- Sửa: He did not walk with his dog last night.

9. **I usually wake up at 7:00, but this morning I am waking up at 8:00.**
- Sửa: I usually wake up at 7:00, but this morning I woke up at 8:00.

10. **We were going to the concert last night.**
- Sửa: We went to the concert last night.

11. **She not visited her friend in London last month.**
- Sửa: She did not visit her friend in London last month.

12. **They haved a barbecue party last Saturday.**
- Sửa: They had a barbecue party last Saturday.

13. **He runs in the marathon last week.**
- Sửa: He ran in the marathon last week.

14. **We flies to Paris for vacation last summer.**
- Sửa: We flew to Paris for vacation last summer.

15. **She buys a new car yesterday.**
- Sửa: She bought a new car yesterday.