1. What hobby do you like?

- vì ở đây câu trước có "hobby" - sở thích, nên sẽ dùng cấu trúc trên

2. We all think painting is interesting because it's a creative activity.

- vì là câu tương đương nên từ "painting...activity" không đổi.

3. He collects toy cars as his hobby.

- as + S + hobby: như là sở thích của ai đó 

4. You don’t need to finish the work today.

- it's isn't necessary tương đương don't need. Vế sau vẫn giữ nguyên 

5. How long have you started your hobby?

- vì là quá khứ nên start thành started

6. I spent three hours making this pottery jug.

- I spend + time + V_ing...

7. My father enjoys doing gardening at the weekend.

- S + enjoys + doing/..._ing + V

8. What about going swimming this afternoon?

- How about/What about + V_ing...

1.What hobby do you like?

WHat is your hobby

=What hobby do you like? Nghĩa là sở thích của bạn là gì

2.We all think painting is interesting because it's creative activity.

S+find+doing sth+adj+..

=S+think+doing sth+is/are+adj+..

3.He collects toy cars as it's his hobby.

as s.o hobby: như là sở thích

4.You don't have to finish the work today.

don't have to=isn't necessary: không cần thiết

5.How long have you had your hobby?

When did+S+V_infinitive+..?

=How long+have/has+S+V3/Ved+...

6.I spent three hours making this pottery jug.

It+take/took+s.o+time+to V+...

=S+spend/spent+time+V_ing+......

7.My father enjoys doing gardening at the weekend.

enjoy+V_ing: thích làm cái gì

8.What about ging swimming this afternoon?

How about/What about+V_Ing+...