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1、被动语态详解及专项练习 (一) 语 态 分 类 英语动词有两种语态，主动语态和被动语态。主动语态表示主语是动作的执行者，被动语态表示主语是动作的承受者。如： They will build a new bridge over the river. (主动) A new bridge will be built over the river. (被动) (二) 被动语态的时态、人称和数的变化 主要体现在be的变化上，其形式与系动词be的变化形式完全一样。以give 为例，列表如下： 一般现在时： am / is / are + given 一般过去时： was / were +given 一般将
2、来时： shall / will +be + given 一般过去将来时： should / would + be + given 现在进行时： am / is / are + being + given 过去进行时： was / were + being + given 现在完成时： have / has + been + given 过去完成时： had + been + given (三)被动语态常用的八种时态1. 一般现在时： People grow rice in the south of the country. Rice is grown in the south of the
3、country. 2. 一般过去时： They agreed on the building of a new car factory last month. The building of a new car factory was agreed on last month. The students didnt forget his lessons easily. His lessons were not easily forgotten. 3. 一般将来时： They will send cars abroad by sea. Cars will be sent abroad by se
4、a. They will give plenty of jobs to school-leavers. Plenty of jobs will be given to school-leavers. 4. 过去将来时： The manager said they would complete the project by the end of the year. The manager said the project would be completed by the end of the year. The workers told me they would mend the car a
5、s soon as possible. The workers told me that the car would be mended as soon as possible. 5. 现在进行时： We are painting the rooms. The rooms are being painted. 6. 过去进行时： Why didnt they drive there on time? Because the workers were mending the road. Because the road was being mended. This time last year
6、we were planting trees here. Trees were being planted here this time last year. 7. 现在完成时： Someone has told me the sports meet might be put off. I have been told the sports meet might be put off. We have brought down the price. The price has been brought down. 8. 过去完成时： When I got to the theatre, I f
7、ound they had already sold out the tickets. When I got to the theatre, I found the tickets had already been sold out. People had considered him to be a great leader. He had been considered to be a great leader. 9. 含有情态动词的被动语态： 含有情态动词的被动语态是由“情态动词+ be+ 及物动词的过去分词”构成。 You must hand in your compositions
8、after class. Your compositions must be handed in after class. He can write a great many letters with the computer. A great many letters can be written with the computer by him. (四) 被 动 语 态 的 使 用1.当不知道或没有必要指出动作的执行者时，常用被动语态，这时往往不用by 短语。 “Mr. White, the cup with mixture was broken after class. ”(只是告诉老师
9、杯子坏了，不知是谁弄坏的，或不想说出谁弄坏的)。2.突出或强调动作的承受者，如果需要说出动作的执行者，用by 短语。 These records were made by John Denver. The cup was broken by Paul. (五)主动语态变被动语态的方法 （1） My aunt invited me to her dinner party. 主语 谓语 宾语 I was invited (by my aunt ) to her dinner party. 主语 谓语 宾语 （2） The school set up a special class to help
10、poor readers. A special class to help poor readers was set up in the school. 1.把主动语态的宾语变成被动语态的主语。2. 把主动语态的谓语变成被动语态的be + 过去分词，时态要与原句保持一致。3.把主动语态的主语变为介词by 的宾语，放在被动语态里谓语动词之后，by 短语可省略。(六)语态转换时所注意的问题1. 谓语动词的时态要与原句时态保持一致，其谓语动词的数要与新主语保持一致。 We have bought a new computer. A new computer has been bought. 2. 含
11、有双宾语的主动句变被动句时，可分别将其中的一个宾语变为主语，另一个不动，一般变间接宾语为主语时比较多。 My uncle gave me a present on my birthday. I was given a present on my birthday. 如果把直接宾语(指物)改为主语，则在间接宾语(指人)前加适当的介词，如上句还可以说： A present was given to me yesterday. 注意：一般在下列动词后，常在间接宾语前用介词 to，如：bring, give, hand, lend, offer, pass, pay, promise, sell, s
12、how, take, teach, tell 等。 一般在下列动词后，间接宾语前用介词 for, 如：build, buy, cook, cut, choose, do, fetch, find, fix, get, keep, make, order, paint, play, sing 等。 Mother made me a new skirt. (A new skirt was made for me. ) The meat was cooked for us. Some country music was played for us. 有些既不用to 也不用for, 根据动词与介词的搭
13、配关系。 He ask me a question. (A question was asked of me. ) People all over the world know the Great Wall. The Great Wall is known to people all over the world. (不用by短语) 3. 由动词+ 介词或副词构成的短语动词，要把它们作为整体看，即把它们看成一个及物动词，介词或副词不可拆开或漏掉。这类动词有：不及物动词+ 介词，如: agree to, ask for, laugh at, operated on, listen to, loo
14、k after, think of, talk about 等。 The patient is being operated on. The problem is solved. It neednt be talked about. 及物动词+ 副词：如：bring about, carry out, find out, give up, hand in, make out, pass on, point out, put away, put off, think over, turn down, work out, turn out 等。 His request was turned down. The sports meet will be put off because of the bad weather. 4. 带复合宾语(宾语+ 宾补)的动词改为被动语态时，一般把主动结构中的宾语改为主语，而宾语补足语保留在谓语动词后面。如： We always keep the classroom clean. The classroom is always kept clean. She told us to follow her instructions. We were told to follow her instructions. 注意：在see, watch, h
