學(xué)位英語課件-動詞語態(tài)

1、動詞的語態(tài)動詞的語態(tài) 語態(tài)有兩種：主動語態(tài)和被動語態(tài)。主語是動作的發(fā)出者為主動語態(tài)； 主語是動作的接受者為被動語態(tài)。 be+及物動詞的過去分詞 一般現(xiàn)在時is/am/are+動詞過去分詞e.g. A letter is written by him.一般過去時was/were+動詞過去分詞e.g. His car was stolen by a thief.將來時will/shall+ be +動詞過去分詞would/should + be +動詞過去分詞進(jìn)行時is/am/are + being+動詞過去分詞was/were + being+動詞過去分詞完成時has/have +been +動

2、詞過去分詞had +been +動詞過去分詞 情態(tài)動詞+ be +過去分詞 e.g. Coal can be used to produce electricity for agriculture and industry. 表示表示據(jù)說據(jù)說或或相信相信 的詞組的詞組 believe, consider, expect, feel , report, say, see, suppose, think, understandIt is said that 據(jù)說It is reported that 據(jù)報道 It is believed that大家相信It is hoped that大家希望It

3、 is well known that 眾所周知It is thought that大家認(rèn)為It is suggested that據(jù)建議It is taken granted that 被視為當(dāng)然不用被動語態(tài)的情況不用被動語態(tài)的情況 1) 不及物動詞或動詞短語無被動語態(tài)： appear, die, disappear, end , fail, happen, remain, rise, stand, happen, take place. (錯) The price has been risen.(對) The price has risen. (錯) The price has raise

4、d.(對) The price has been raised. 2)系動詞無被動語態(tài) appear, feel, look, remain, seem, smell, sound, tastee.g. It sounds good. 3)當(dāng)賓語是不定式時，很少用于被動語態(tài) (對) She likes to swim.(錯) To swim is liked by her.主動形式表示被動意義主動形式表示被動意義 1)wash, cut, sell, read, wear, sell, drivee.g. The book sells well.這本書銷路好。e.g. This knife cuts easily. 這刀子很好用。 2) need, want, require, worth后面接doing表示被動。e.g. Your hair wants cutting.你的頭發(fā)該理了。 The floor requires washing. 地板需要沖洗。The book is worth reading.這本書值得一讀。典型例題The library needs_, but itll hav