1.I'm leaving now so as not to miss the train. 

-> Bây giờ tôi đi để không bị lỡ chuyến tàu. 

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

-> The last time + S +Ved/cột 2 => S+hasn't/haven't +Vpp 

3.I have played soccer for 5 years .

-> S + started/began +to V /V-ing +.... => S+has/have +Vpp +since/for 

4. My school is different from your school .

-> S+ tobe/V + different from +N/pronoun 

-> Trường của tôi thì khác với trường của bạn 

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

-> because : nêu ra lí do vì sao 

6. They've ever been to Korea before .

-> This is the first time + S +has/have +Vpp => S +has/have+ever +Vpp +.... +before 

7. When did you join Volunteers In Asia ? 

->How long+has/have+S+Vpp => When +did +S+V-inf ?

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

-> encouraged +to V : khuyến khích làm việc gì đó 

@Chae