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      (1)自动方式表明被迫含义

　　1)常见的这类动词有：“act，add up，clean，compare，count，cook，draw，fill，iron，keep，let，look，make up，milk，kill，open，photograph，prove，read，sell，smoke，spoil”等。

　　The window won’t open.(这扇窗户打不开。)

　　The cow milks well.(这头牛出奶率很高。)

　　Damp wood will not fire.(湿木不易燃烧。)

　　She doesn’t photograph well.(她不上相。)

　　His judgment proved wrong.(他的判断是错的。)

　　It turned out fine that day.(成果那天气候很好。)

　　How did his coat catch on a nail? (他的衣服怎样钩到钉子上了?)

　　2)有用动词“need/want/deserve/require +V-ing(动名词)”方式表明被迫含义。

　　My hair needs cutting。.

　　The bike wants repairing.

　　There is nothing to worry about.

　　②不定式润饰want, have等动词的宾语，而句中的主语一起又不是不定式的逻辑主语时：

　　I want some clothes to wash.

　　Do you have anything to say for yourself?

　　③不定式润饰buy，get，give等动词的直接宾语，而句中的直接宾语又是不定式的逻辑主语时：

　　His sister gave him a bike to ride.

　　It is believed/thought that this medicine works well.

　　It is required(of)him that he give the evidence.(要求我供给依据)

　　It is feared that he could not come here.

　　It is estimated that a flight to Shanghai would take more than one hour.

　　It is often realized that women held a high social position in the Southern European societies in the 10th and llth centuries.

      (3) “get + p.p.(动词的过去分词)"表明被迫：

　　这种结构往往用来强调动作的成果，也可用来表明俄然发作的事态，或最终呈现的某种现实，是一种非正式语体。

　　Did the question get answered?

　　A Boeing 747 got crashed last week.

　　The house is getting painted/repaired.

　　误：He got born in 1976.

　　正：He was born in 1976.

　　误：The stow got written by him.

　　正：The story Was writ.ten by him.

　　误：The conference got being held in London.

　　正：The conference is being held in London.

　　1)短语动词变为被迫语态后，这以后的介词或副词应紧随这以后。

　　Frank was brought up by his aunt.

　　The babies are well looked after.

　　The meeting Was put off.

　　The salesman was put out by Mr..Wilson’s question.

　　(威尔逊先生的问题把那位售货员惹火了。)

　　2)“Verb+宾语+宾补”变为被迫语态后，宾语转化为主语，宾补转化为主补。

　　The wall Was painted white.(We painted the wal1 white.)

　　He is regarded as smart (We regarded him as smart.)

　　The house was found empty.(We found the house empty.)

　　He Was heard to play the guitar in the next door.

　　(I heard him play the guitar in the next door)