他们认为他取得了很大的进步。
a. They think that he has made great progress.
b. It’s thought that he has made great progress.
c. He is thought to have made great progress.
常用于这类结构的动词有：say, think, believe, report等。
9. 这句谓语要主动式还是被动式
I ______ ten minutes to decide whether I should reject the offer.
A. gave B. was given C. to give D. be giving
此题应选 B。此题考察考生能否识别被动语态。一般说来, 关于这个问题请注意以下几点：
1. 只有及物动词才有被动语态。
2. 及物动词必须有宾语, 否则可考虑用被动语态。
3. “双宾动词”(即带双宾语的动词)若只有一个动词，也应考虑用被动语态。
4. 有时句子是否使用被动语态, 要从句子意思来考虑。
以下各例从各类考题中选出, 请做一做：
(1) The police found that the house ____ and a lot
of things _____.
A. has broken into; has been stolen
B. had broken into; had been stolen
C. has been broken into; stolen
D. had been broken into; stolen
(2) When and where to hold the meeting _____ yet.
A. is not decided B. are not decided
C. has not decided D. have not decided
(3) In some parts of the world, tea _____ with milk
and sugar.
A. is serving B. is served C. serves D. served
(4) I need one more stamp before my collection___.
A. has completed B. completes
C. has been completed D. is completed
答案：(1)D (2)A (3)B (4)D