1. Would you mind if I ..........(smoke) ? 2. I don't enjoy ............(laugh) at by other people. 3. It is not difficult.........(remember) 3R. 4. Most of the NOKIA mobile phones .....(sell) in this shop are imported from China

1. Would you mind if I ..........(smoke) ?

→ smoked

2. I don't enjoy ............(laugh) at by other people.

→ being laughed

3. It is not difficult.........(remember) 3R.

→ to remember

4. Most of the NOKIA mobile phones .....(sell) in this shop are imported from China

→ sold

* Công thức:

  1) Câu điều kiện loại 2:

       if S+ `V_(ed//2)`, would + `V_1`

2) Bị động :

  Vì sau don't enjoy+ `V_ing` nên bị động là:

    S+ don't enjoy+ being+ `V_ed//3` by 0

3) It is difficult for sb to `V_1`

4) Để ý trong bài "imported" đã chuyển sang `V_(ed//2)` → từ trong ngoặc chia quá khứ