初中英语语法非谓语动词的讲解

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1、Four short words sum up what has lifted most successful individuals above the crowd: a little bit more.-author-date初中英语语法-非谓语动词的讲解初中英语语法 非谓语动词的讲解初中英语语法 非谓语动词的讲解非谓语动词指的是在句中起名词，形容词或副词作用的动词形式，而不是作谓语的动词形式。 动词的非谓语形式分为动名词，分词，动词不定式。 Climbing mountain is a good exercise. (Climbing., 动名词起名词作用） Do you know th

2、e man wearing a white shirt. （wearing .分词起形容词作用） He gets up early to catch the first bus. (to catch .不定式起副词作用)谓语动词和非谓语动词的区别： 1) 谓语动词在句中可单独作谓语，而非谓语动词不能单独作谓语。 Miss Mary teaches us English. 玛丽教我们英语。（teaches 动词作谓语） Mr. Li came to our classroom to have a talk with us last week. （to have a talk. 不定式作状语） 2

3、) 谓语动词受主语的人称和数的限制，而非谓语动词形式没有这种限制。 Mike likes the pop music. （动词用单数第三人称形式） Lucy has nothing to do today。（do 用原形） 非谓语动词的特征： 1 如果非谓语动词是及物动词，后面须跟宾语。 Studying English is my favorite.（studying 后跟宾语） To help him is my duty. 帮助他是我的责任。（help 后跟宾语） 2 非谓语动词可以带有自己的状语或逻辑主语。 Working under such a condition is terri

4、ble. (under such a condition 是 working 的状语） Its too difficult for him to master English in such a short time. （for him 作不定式的逻辑主语）3 非谓语动词仍有语态和时态的变化。 I am sorry to have kept you waiting long.（to have kept.是不定式的完成形式） Seen from the mountain, the city looks much more beautiful. （Seen from.是分词的被动形式） 4 非谓语

5、动词在句中可以当成名词或者形容词来使用。 Our coming made him happy.（coming 起名词作用） There are two big swimming pools here. (swimming 起形容词作用) 非谓语动词的形式变化： 不定式 主 动 被 动 一 般 to write to be written 进 行 to be writing完 成 to have written to have been written 完成进行 to have been writing 现 在 分 词 主 动 被 动 一 般 writing being written 完 成

6、having written having been written 过去分词 主动 被 动 一般 written 动名词 主动 被 动 一般 writingbeing written 完成 having written having been written 动 词 不 定 式： 动词不定式是由 to + 动词原形构成，在句中起名词，形容词和副词的作用，可以担任除谓语以外的其它任何成分。 1. 动词不定式作主语： To mast a language is not an easy thing. To teach English is my favorite. Its my pleasure

7、to help you. 动词不定式作主语时可以放在后面，而用 it 作形式主语放在原主语的位置上。 Its very kind of you to have given us much help. 你给了我们那么多的帮助真是太好了。 Its necessary to find the witness. 有必要找到目击者。 2. 动词不定式作宾语： 某些及物动词可以用动词不定式作宾语，这些动词有decide, begin, help, begin, want, wish, like, forget, learn, ask. What I wish is to learn English wel

8、l. I like to help others if I can. 3. 动词不定式作宾语补语 。 We expect you to be with us. 我们希望你和我们在一起。 Please ask him to come here quickly.请叫他快过来。 4. 动词不定式作表语 ： What I should do is to finish the task soon. 我应该做的是赶快完成任务。 The most urgent thing is to find the boy immediately. 当务之急是马上去找孩子。 5. 动词不定式作定语： There are

9、many ways to solve the problem. 有许多方法能解决这个问题。 I have something important to tell you. 我有重要的事情要告诉你。 6. 不定式作状语： We went to the hospital to see our teacher. 我们去医院看了我们的老师。 She is making a test to get a kind of useful medicine from a Tibet flower. 她在做试验，从一种西藏花中提取某种有用的药物。 动词不定式的否定形式： not + to + 动词原形 The t

10、eacher told us not to swim in that river. 老师告诉我们不要在那条河里游泳。 Its unfair not to tell us. 没告诉我们真是不公平。 带疑问词的不定式： 疑问词who, what,which,when, where, how, why 可以加在不定式的前面，构成不定式短语，使含义更加具体。 Where to go is not known yet.去什么地方还不知道。 I dont know when to begin. 我不知道什么时间开始。 Can you tell me where to get the battery. 你能

11、告诉我哪儿能买到电池吗？Do you know how to get to the station. 你知道怎样去车站吗？ 带逻辑主语的不定式： 动词不定式可以带有自己的逻辑主语，构成方法是： for + 逻辑主语 + 不定式。 注意：逻辑主语用宾格形式， for 本身无实际意义，它只表明后面的主语从逻辑上分析是不定式的主语。Its necessary for us to help each other. 我们互相帮忙是必要的。 There are much work for me to finish, 有许多工作要我去完成。 动词不定式的被动形式： 表示不定式动词同所修饰的名词是被动关系 。

12、 He is the man to be examined. 他是受检查的人。 There are much work to be done. 有好多工作要做。 动 名 词动名词是由动词原形 + ing 构成，同现在分词形式一样，在句中可作主语， 宾语，表语和定语。 1) 动名词作主语： Talking like that is not polite. Learning from others is important . Putting on more clothes is not so good . （注：动名词可以象动词不定式一样，用 it 先行祠代替， 而把动名词写在后面。 Its n

13、o use waiting here, lets go home. Its very difficult climbing this mountain. 2) 动名词作表语 The nurses job is looking after the patients. Seeing is believing. 3) 动名词作宾语 有些动词须用动名词来作宾语,它们是begin, mind, suggest, finish, stop, need, enjoy, miss, keep. Please stop smoking in the house. I like reading in the fo

14、rest. Do you mind my opening the windows?4）动名词作定语 She is studying in the reading room. He slept in the sleeping bag. （动名词的否定形式：not + 动名词 He pretend not knowing it at all. 他假装全然不知。 We considered not doing it now. 我们考虑现在不做这件事 。 动名词的被动形式 ： （当动名词和它的逻辑主语是被动关系时，用动名词的被动形式来表示。）His being looked down upon made him sick. I cant really stand being treated like that. 动名词的几种特殊情况： 1) 有些动词的后面能跟动名词做宾语，有些动词能跟不定式，有些两者都可以， 它