Dưới đây là các câu đã được phát hiện lỗi và sửa:

1. **Câu 2:** "I carry it for you?" → **Sửa thành:** "Can I carry it for you?"

2. **Câu 3:** "but I  be here tomorrow." → **Sửa thành:** "but I won't be here tomorrow."

3. **Câu 4:** "Which team do you think  win the match?" → **Sửa thành:** "Which team do you think will win the match?"

4. **Câu 5:** "but I'm not sure." → **Sửa thành:** "but I'm not sure when."

5. **Câu 6:** "We're  skating this afternoon." → **Sửa thành:** "We're going skating this afternoon."

6. **Câu 7:** "there  be many people at the beach today." → **Sửa thành:** "there won't be many people at the beach today."

7. **Câu 8:** "I leave them here?" → **Sửa thành:** "Should I leave them here?"

Tóm lại, các câu sau khi sửa lỗi sẽ là:

1. That suitcase looks heavy. **Can I carry it for you?**
2. Sorry, but I **won't** be here tomorrow. I have to go to the doctor's.
3. Which team do you think **will** win the match?
4. Bye for now. I'll see you next week, but I'm not sure **when.**
5. We're **going** skating this afternoon. Do you want to come?
6. The weather isn't very good, so there **won't** be many people at the beach today.
7. Where do you want me to put these books? **Should I** leave them here?