mba考试科目英语语法：被动语态常用于下列几种情况：

　　一、动作的执行者无需指出或不明确时

　　Printing was introduced into Europe from China.

　　Rome was not built in a day.

　　二、为了强调动作的承受者

　　Four people were killed and thirty-one injured in the bomb attack.

　　Susan was singled out for praise yesterday.

　　三、为了修辞的需要

　　He started to complain about this wicked world but was interrupted by a knock at the door.

　　Yesterdayu he visited our university and was welcomed by the President.

　　[提示]

　　1. 除及物动词外, 一些相当于及物动词的短语动词也可作用被动态形式, 除个别情况外, 短语动词一般不拆开使用。

　　This matter will be dealt with as soon as possible.(短语)

　　2. 不及物动词(或相当于一个不及物动词的短语动词)和表示状态的动词(或短语动词)无被动态形式, 如happen, rise, occur, take place, break out等; 以及lack, fit, suit, equal, become, resemble, befall, consist of,look like等。

　　The story took place in 1949.

　　3. 将主动态形式改为被动态形式时如遇到动词后跟双宾语的情况, 我们只能将其中之一变成主语, 另一个保持不变。当直接宾语变成主语时, 保持在原位的间接宾语前需加介词to。

　　I gave my hasband a tie as a birthday pressent.

　　→My hasband was given a tie as a birthday present.

　　→A tie was given to my husband as a birthday present.

　　Exercises 2 Choose the best answer to complete the following sentences:

　　1. The professor was knowledgeable and eloquent and ___B_______ with enthusiasm.

　　A. was always listened B. was always listened to

　　C. always was listened D. always listened to

　　2. He returned a week later and found his house ____D______ .

　　A. has broken into B. was broken into

　　C. to be broken into D. has been broken into

　　3. The United Kingdom _____C_____ Great Britain and Northern Ireland.

　　A. consisted of B. is consisted of

　　C. consists of D. consist

　　4. These oranges ______B____ nice. (smell feel taste主动形式可表被动)

　　A. are tasted B. taste

　　C. is tasted D. tastes

　　5. In 1950, she was the largest ship that ______D____ .

　　A. was ever built B. has ever built

　　C. has ever been built D. had ever been built

　　6. The house suddenly collapsed while it ____C______ down.

　　A. was pulled B. pulled

　　C. was being pulled D. had been pulled

　　7. "How do you like your new position?" "I ____B______ ."

　　A. don’t satisfy B. am not satisfied(状态)

　　C. can’t satisfy D. haven’t satisfied

　　8. The sixth generation computers, with artificial intelligence,

　　________D__ and perfected now.

　　A. developed B. will have been developed

　　C. have developed D. are being developed

　　9. There are more than fifty proposals ___B_______ at the conference.

　　A. discussed B. to be discussed

　　C. discussing D. having discussed

　　10. Though Newton was a great scientist, many of his ideas

[FS:PAGE]　　________D__ today and are being modified by the work of today’s scientists.

　　A. are to challenge B. are challenging

　　C. may be challenged D. have been challenged