短语动词的被动语态短语动词是一个整体，不可丢掉后面的介词或副词。 This is a photo of the power station that has been set up in my hometown. My sister will be taken care of by Grandma. Such a thing has never been heard of before..表示"据说"或"相信" 的词组believe, consider, declare, expect, feel , report, say, see, suppose, think, understandIt is said that… 据说 It is reported that… 据报道 It is believed that… 大家相信 It is hoped that… 大家希望It is well known that… 众所周知 It is thought that… 大家认为It is suggested that… 据建议 It is taken granted that… 被视为当然 It has been decided that… 大家决定 It must be remember that…务必记住的是It is said that she will leave for Wuhan on Tuesday.不用被动语态的情况1) 不及物动词或动词短语无被动语态：appear, die disappear, end (vi. 结束), fail, happen, last, lie, remain, sit, spread, standbreak out, come true, fall asleep, keep silence, lose heart, take place. After the fire, very little remained of my house.2) 不能用于被动语态的及物动词或动词短语：fit, have, hold, marry, own, wish, cost, notice, watch agree with, arrive at / in, shake hands with, succeed in, suffer from, happen to, take part in, walk into, belong to3) 系动词无被动语态：appear, be become, fall, feel, get, grow, keep, look, remain, seem, smell, sound, stay, taste, turn It sounds good.4) 带同源宾语的及物动词，反身代词，相互代词，不能用于被动语态：die, death, dream, live, life She dreamed a bad dream last night.5) 当宾语是不定式时，很少用于被动语态。 (对) She likes to swim. (错) To swim is liked by her.在need, require, want, worth (形容词), deserve后的动名词必须用主动形式。 The door needs repairing.= The door needs to be repaired. This room needs cleaning. 这房间应该打扫一下。 This book is worth reading. 这本书值得一读。 4) 特殊结构：make sb. heard / understood (使别人能听见/理解自己)，have sth. done ( 要某人做某事)。被动形式表示主动意义表示同某人结婚，用marry sb. 或get married to sb. 都可。 He married a rich girl. He got married to a rich girl.need/want/require/worth注意：当 need, want, require, worth(形容词)后面接doing也可以表示被动。 Your hair wants cutting. 你的头发该理了。 The floor requires washing. 地板需要冲洗。 The book is worth reading. 这本书值得一读。
