非限定动词课件.pptVIP

非限定动词 不定式 1. 作主语 侧重于动作的具体性和将来性 To play basketball is a great pleasure. 但为使句子平衡,常用it 代它作主语, 把它移到句子后部去. It is a great pleasure to play basketball. 2. 作宾语 A. 跟不定式作宾语的常见动词: （１）hope, want , expect, wish, desire, like, love, dislike ,hate, plan, intend, mean, prepare, decide, determine, afford, fail, manage, try、dare, help , promise、refuse、 learn、offer、 agree、forget ,bother . 3. 作主补 A.表示按计划和安排将要发生的事情。 He is to marry Rose. B.表示主语的内容，但侧重于目的性。 Her wish was to become an artist. C. 表示情态意义(应该, 必须)。 The form is to be filled in and returned within a week. She is to blame. 4.不定式作修饰语 A.一般表示将发生的情况，放在名词后。 Charles Lindbergh is the first man to fly the Atlantic alone.(主谓关系) She has a good chance to go to college. (同位关系) He has got lots of questions to ask. (动宾关系) 5.不定式作宾语补足语 跟不定式作宾语补足语的动词 A. let, have, make, get等表使役的动词 They made us go with them. 注意: Let/ have/make sb. do ; get sb. to do They got us to go with them. E. See，watch，notice，hear，listen to，observe，look at ，feel等表感官的动词 I noticed tears come into his eyes. We often hear her sing the song at home. 注: 感官动词后的不定式均不带to 6. 不定式作状语 2).不定式作结果状语 作结果状语的不定式常用于一些固定搭配中。如:too …to, enough to，sufficient to，only to，never to，so + 形容词/副词 + as to, such + 名词+ as to do引导。 Would you be so kind as to step this way, please? I tried the door, only to find it locked inside. 二、动名词 3.动名词的否定结构 I fancy it has done you a lot of good not going. (not going是动名词一般式的否定形式） There is no denying the fact that he is diligent. (no denying也是动名词一般式的否定形式） He was nervous from having never before spoken in public. (having never before spoken 是动名词完成式的否定） 1. 动名词作主语 Seeing is believing. Playing chess is fun. Its no use waiting here. 动名词作主语,也可用it 作形式主语.但只限于下面句型: 2） 动名词在“It is useless/ nice/ good/ interesting/ worthwhile 等形容词 + doing”结构中作主语。例如： It is nice playing chess after supper. It is useless speaking.光说没有用。　 2. 动名词作主补 动名词作主补起名词作用,表示主语的内容,这时动名词和主语的位置有时是可以交换的。 The nurses job is looking after the patients.= Looking after the patients is the nurses job. Fo