`1.` I wish people wouldn't cut down all the old green trees in the city

`-` S + wish + S + would/ could/ might + (not) + V_inf `(`Câu ước ở tương lai`)`

`2.` Nam used to come to class late

`-` S + used to + V_inf: Đã thường làm gì nhưng giờ không còn làm nữa

`3.` Ha Long Bay is said to be one of the most extraordinary natural wonders you will ever see

`-` Câu bị động không ngôi:

`+` S + be + V_ed/ V3 + to + V_inf 

`+` S + be + V_ed/ V3 + to + have + V_ed/ V3 `(`Đối với mệnh đề thì QKĐ, HTHT, QKHT`)`

`+` It + be + V_ed/ V3 + that + S + V

1. People will cut down all the old green trees in the city.

→ I wish all the old green trees in the city won't be cut down.

form : S+wish + S+V(lùi thì )+.........

2. Nam no longer comes to class late.

→ Nam used to come to class late.

form : used to +V0 : đã từng làm rì

3. People say that Ha Long Bay is one of the most extraordinary natural wonders you will ever see.

`to` Ha Long Bay is said to be one of the most extraordinary natural wonders you will ever see

Form : it is said + that + S+V(lùi thì )......=S+be+said +toV+..........