1. This machine haven't been used for ages.
2. All the eggs have been eaten.
3. The aircraft has been designed by famous engineers.
4. Has the accident just been seen? 
5. I have been surprised by the news. 
6. My watch has been broken by John.
7. A new computer has just been bought.
8. That film has already been seen.
9. A new church has just been built.
``
Bị động HTHT: S + have/has + been + V3/ed + O
Chủ ngữ ở câu chủ động là danh từ chưa xác định (He/She/I/We/They/...) thì có thể bỏ đi.

Bị động - thì HTHT:

(+) S + has/have + been + V3/ed 

(-) S + has/have + not + been + V3/ed 

(?) Has/Have + S + been + V3/ed ?

-----------------------------------------------------

1. This machine hasn't been used for ages.

2. All the eggs have been eaten.

3. The aircraft has been designed by famous engineers.

4. Has the accident just been seen by several people?

5. I have been surprised by the news.

6. My watch has been broken by John.

7. A new computer has just been bought.

8. That film has already been seen.

9. A new church has just been built.

`color{orange}{~LeAiFuRuiHuiBao~}`