$1.$ I don't want to miss the train so I'm leaving now.
- so + S + V: vì vậy ...
$2.$ I haven't seen my uncle for two years.
- The last time + S + V2 + was + time + ago = S + haven't/ hasn't + V3 + for + time.
$3.$ I will talk to him when I reach my office.
- when + S + V: khi ...
$4.$ Mom suggests donating our old books, toys and clothes to charity.
- suggest + V-ing: đề xuất làm gì.
$5.$ Jane stayed behind after the class because she wanted to talk to the teacher.
- Because + S + V: Bởi vì ...
$6.$ They haven't been to Korea before.
- This is the first time + S + have/ has + V3 = S + haven't/ hasn't + V3 + before.
$7.$ When did you join Volunteers In Asia?
- How long + have/ has + S + V3 = When did + S + V (Bare)?
$8.$ We encouraged people to recycle glass, cans and paper.
- encourage someone + to V: Khuyến khích ai làm gì.
