3) 短语动词的被动: a.(不及物)动词+介词:若这类短语动词是及物性的,则可用于被动语态中,如:laugh at, look after, talk about, think of 等。若这类短语动词是不及物性的则不可用于被动语态中,如:book up, look down. 等 b.(及物)动词+副词:bring about, carry out, find out, make out, put away, put off, take up, turn down, turn out, wipe out等 c. 动词+副词 +介词:do away with, face up to, give into ,look down upon, make up with等 d. 动词+名词+介词:catch sight of, keep on eye on, make a fool of , pay attention to , put an end to , set fire/light to , take notice of 等 4) 带复合宾语的动词在改为被动语态时,一般把主动结构中的宾语改为主语,宾语补足语保留在谓语后面。We always keep the classroom clean. (比较:The classroom is always kept clean.) 5)主动形式表示被动意义的词。常见的有: a.主动形式,这时动名词同句中的主语有动宾关系。 The children need looking after. The windows wants /requires repairing. This point deserves mentioning. b.有些及物动词后须加副词 (如:well, easily等), 有些可不加,如:act, clean, cut, draw, lock, open, play, read, sell, shut, strike, wash, write 等。 The cloth washes/ sells well. The door won’t shut. The play won’t act. c. 形容词worth后直接加动名词时,如:The book is worth reading twice. 某些作表语的形容词后,用不定式主动形式表示被动意义。 The fish is not fit to eat. d. 某些感官动词(如:feel, look, prove, smell , sound, taste, wear等) 与形容词连用时:The water feels very cold. The dish tastes delicious. 6) 以下动词构成的句子不能改为被动句: a. 动词leave, enter, reach 等的宾语是表示处所、地点(国家、团体,组织、军队)等。 b. 表示状态的动词,如:become, benefit, cost, contain, equal, fit, fail, have, lack, last, mean, suit, look like等。 c. 下列不及物动词及短语:appear, belong to , break out, die, happen, lie, occur, rise, take place, agree with, belong to, consist of , have on, keep up with 及一些固定词组,如 keep words, lose heart, make a face等。 (责任编辑:admin) |