Chuyển các câu với động từ tường thuật sau sang câu bị động (2 cách)

Cấu trúc chung:

- Active: $S_{1}$ + say/believe/think/claim/estimate...+$S_{2}$  + V

- Passive:

+ Cấu trúc 1:

$S_{2}$ + be + said/believed/thought/claimed/estimated...+ to + Vinf

                                                                                                      + have + $V_{3/ed}$  

+ Cấu trúc 2:

It is said/believed/thought/claimed/estimated...+ that + clause

8.  They claimed that everything they said was true.

Trans: Họ khẳng định mọi điều họ nói đều là sự thật.

→ Everything they said was claimed to be true.

→ It was claimed that everything they said was true.

9. They don't think this camera costs that much.

Trans: Họ không nghĩ chiếc máy ảnh này có giá cao đến thế.

→ This camera isn't thought to cost  that much.

→ It isn't thought that this camera costs that much.

10. People didn't expect that the building collapsed after the storm.

Trans: Mọi người không ngờ rằng tòa nhà lại sụp đổ sau cơn bão.

→ The building wasn't expected to have collspsed after the storm.

→ It wasn't expected that the building collapsed after the storm.