一. 不定式的逻辑主语 for +名词(或代词宾格)+不定式 It is difficult for a foreigner to learn Chinese. I found it is impossible for me to finish the task on time. 在表示人物性格,素质等的形容词后,常用of 引出不定式的逻辑主语。good, kind, nice, clever, foolish, right It is very kind of you to help us. It is very cruel of him to kill the child. 二. 省略to 1. 在某些表示感觉的词及使役动词后的不定式做宾补时:feel, hear, notice, observe, see, watch, make, have , let, bid My son made me give up smoking. 我的儿子使我借了烟。 He has the workman clean the room. 他让工人把房间清理了。 I saw her cross the street.我看见她过了马路。 The story made all of us laugh. 这个故事把我们大家都逗乐了。
Be sure to have him come before dark. 一定要让他天黑之前来。
Nobody noticed them leave the house.没人注意他们已经离开了房子。 注意:变被动时要加上to He was made to kill the child.他是被迫杀死那个孩子的。 She was seen to cross the street. 她被看见过了那条街。 They were even made to work on weekends by the boss. 他们被老板逼着在周末也工作。 Someone was heard to open the door. 听到有人在开门。 2. 在except/but之前如果有动词do 的任何形式,后面的不定式不用to We can do nothing but wait. 我们除了等什么都做不了。 如果没有do,要加上to, I had no choice but to take the test.我除了参加考试别无选择。 3. Help 后面可以加也可以不加 4. Would rather/had better/can’t help but/would sooner/can not choose but后面的不定式不带to He can not help but choose the last one. I would rather not tell you the bad news.我宁愿没告诉你那个坏消息。 现在分词与过去分词 做定语: 我们可以用现在分词或过去分词做定语修饰名词: u 现在分词作定语与名词的关系是主动,表示动作是由名词发出的。 A flying bird, an interesting book, a sleeping dog, a crying girl, passing planes It is a convincing example.这是一个令人信服的例子. It is a boring film.这是一部枯燥乏味的电影. Complete the following sentence.请完成以下句子. u 过去分词作定语与名词的关系是被动 fired chicken, lost money, broken heart, ploughed field , deserted land This is one of the required subjects.这是必修课之一。 They rented a furnished apartment.他们租了一套有家具的房间。 u 现在分词短语和过去分词短语做定语要放在名词的后面,相当于一个定语从句: a plane flying over the bridge,a mouse called Jimmy Look at the man sitting on the rock. 看那个坐在岩石上的人。 There was a long line waiting outside the cinema.有长长的一队人在电影院门口等。 She bought a computer produced in Shanghai.她买了一台产于上海的电脑。 This is the first skycrapter designed by our engineer.这是第一个 由我们的工程师建造的摩天大楼。 做状语: 现在分词做状语主要对谓语动词修饰,烘托,过去分词做状语主要是说明位于动作发生的背景,条件。分词做状语,常用来说明谓语动作发生的原因,方式,时间,结果等。现在分词做状语必须与谓语动词是同一个主语,过去分词做状语与谓语动词的主语是被动关系,相当与一个被动语态的状语从句。 表示时间: Hearing the news, they all jumped with joy. Taking a key out of his pocket, he opened the door. While crossing the street, the old man was knocked. Seen from the top of the hill, the city looks significant. Compared with other women, she was fortunate. 表示伴随,方式: She went out of the room weeping. Feeling tired, I went to bed early. I phoned again, making sure I had the right number. 我再打了次电话,肯定号码是正确的。 Kate is was sitting in a chair reading. Dressed in a fur coat and with an umbrella in one hand, the lady went in. 表示原因: Not having a car, she finds it difficult to go around.由于她没有汽车,她感到行动困难。 Not knowing her address, we wasn’t able to contact her. Being out of work, he hasn’t got much money.由于失去了工作,他没什么钱。 表示结果: Her husband died two years ago, leaving her five children. Armed with a new machine, the party searched the cave hoping to find gold. |