Chào em, em tham khảo:

Phương pháp: để làm bài viết câu dựa vào từ gợi ý thì em hãy phân tích câu, các từ cần thêm thường là: mạo từ, giới từ, chia động từ, động từ "be", ...

1. My hobby/swim
=> My hobby is swimming.

2. I/begin/swim/when/I/be/little
=> I began swimming when I was little.

3. I/learn/swim/my father, a good swimmer.
=> I learned to swim from my father - a good swimmer.

4. I/go/to the swimming pool/four or five times/week.
=> I go to the swimming pool four or five times a week.

5. I/think/swim/be/not only/leisure activity/but aslo/benefical/our health.
=> I think swimming is not only a leisure activity but also beneficial to our health.

6. It/help/us/keen fit/and/safe/the water.
=> It helps us to keep fit and be safe in the water.

7. Swim/be/really/interesting/pleasant/hobby.
=> Swimming is really an interesting and pleasant hobby. 

8. I/go on/swim/the future.
=> I will go on swimming in the future.

Chúc em học tốt.