1. I'm leaving now so that I don't miss the train.

(S + V + so that + S + V : ... để mà ... )

2. I haven't seen my uncle for two years.

(thì hiện tại hoàn thành, for + khoảng thời gian)

3. I will talk to him when I reach my office.

4. Mom suggests donating our old books, toys and clothes to charity.

Hoặc: Mom suggests us to donate our old books, toys and clothes to charity.

(Why don't + S + V ... ? = S + suggest + V_ing: gợi ý/đề nghị làm gì)

5. Jane stayed behind after the class because she wanted to talk to the teacher.

6. They've never been to Korea before.

7. When did you join Volunteers in Asia?

8. We encouraged people to recycle glass, cans and paper.