1. It's very exciting to fly a kite 

=> It's + adj + to- V + O : thế nào làm gì

2.  I started doing voluntary work three years ago.

=> S + started / began + V-ing / to-V 

3. We don't have to change the dates of our trip.

4. Would you mind if I showed you how to use this?

=> Would you mind + if + S + V-ed

5. I spent two hours walking to her village.

=> S + (spend) + time/money + doing something

6. The Museum of Ethnology is visited by millions of tourists every year.

=> S + am/is/are + P2 + by O 

7. Jane's sister doesn't make crafts as well as she does.

8. Amy suggested going to my uncle's farm at the weekend.

Cho mìn xin ctlhn nhé!
@Bbi Ngọc <3