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课件网) 非谓语动词 Nonfinite Verbs Laughter is the greatest medicine. It helps those who cannot work out become fit. First of all, _____(laugh) out loud helps improve your general fitness. This is because laughter strenghthens the heart and lungs. So, it is easy _____ (understand) why some yoga exercises include laughter. Second, a good laugh can relax your muscles. As you laugh, these muscles _____(participat) in the laugh become active. So it is very useful for people with breathing problems. laughing to understand participating Also, laughter makes us_____(feel) a sense of happiness. Experts say that the positive feelings_____ (produce) by laughter not only make us happy but also help us reduce pain. The next time you feel upset or _____(disappoint), do not worry. Enjoying a funny comedy or _____(read) some jokes will drive away your negative feelings and make you feel much better. reading disappointed produced feel 1.谓语动词： 概述： 2. 非谓语动词： 在句子中担任谓语的动词 是动词的特殊形式，在句中可以 作除谓语外的所有成分 一个句子当中，已经存在一个主句（谓语动词）,又没有连词的情况下, 还有别的动词出现时。 非谓语动词使用条件 She got off the bus, leaving her handbag on her seat. She got off the bus, but left her handbag on her seat. 动词不定式（The Infinitive） 一. 动词不定式的基本构成： 由不定式符号to加动词原形构成。其否定式由not+不定式构成 肯定式：to do sth 否定式：not to do sth. 被动式：to be done 完成式：to have done 二. 动词不定式的句法作用法 动词不定式有副词，形容词和名词的特征，因此在句中可作主语、宾语、宾语补足语、表语定语、状语等成份。 动词不定式 To do that sort of thing is foolish。 I want to see you this evening All you have to do is to finish it quickly. We found a house to live in. She came here to study English. I warned the patient not to drink cold water after the operation. 主语 宾语 表语 定语 状语 宾补 1.作主语 不定式做主语时，可以直接放在谓语动词之前。 To see is to believe． Not to get there in time is your fault. 注：常用it做形式主语，将to do放在位于之后，使句子保持平衡。 句型1：It + 谓语 + to do It takes us an hour to get there by bus. 句型2：It’s + n. + to do It’s our duty to help the poor. It is a great enjoyment to spend our holiday in the mountains 句型3：It is adj. for/of sb. to do sth. It is + adj + for sb to do sth It is + adj + of sb to do sth （是形容人的品质的 ） （是形容事物的性质的 ） It is easy for me to finish this work before ten. It is a great honor for us to be present at your birthday party. It is very kind of you to give me some help. It's impolite of you to speak to the teacher like that. ＝You are very kind to give me some help. ＝you are impolite to speak to the teacher like that. 常见动词有： 口诀：想要决定同意，希望许诺选择 want, decide, hope, agree, choose, wish, need ,promise 2.作宾语 I want to know this matter. like, demand, expect, promise, begin, determine, refuse, offer, fail, manage, learn, seem, intend, prefer, forget, mean, prepar ... ...
