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课件网) Unit 4 Space Exploration Discovering Useful Structures 非谓语 He scratched his foot chatted with his friends. He chatted with his friends he was scratching his foot. and when 他边抠脚边和朋友聊天。 一、它不能叫“谓语” 在有谓语、无连词的情况下，如果句子中出现了第二个动词 和皇上的小老婆改名叫“妃”一样，它也改了个名，叫： 二、它不能和谓语长一个样 谓语动词的一般形式是do, 而非谓语的一般形式是: 动词不定式 to do 动词的ing形式 doing 动词的过去分词形式 done 它们分别代表着不同的含义： Eating chicken feet gives me great pleasure. 吃鸡爪子让我开心。(吃的同时感到满足) I want to eat some chicken feet. 我想吃点鸡爪子。(只是想想，还没吃) The stewed chicken feet taste good. 卤鸡爪很好吃。(卤过了才能尝) to do表示将来，目的，出乎意料的结果 doing表示进主动，进行，意料之内的结果 done表示被动，完成的动作。 三、它不能当谓语用 “妃”相对于“皇后”来说是降级的。 非谓语也一样，不能再当动词用，而要降级成形容词、副词。 the stewed chicken feet 卤鸡爪 这里的非谓语stewed, 不是动词， 而是一个形容词，表示“卤过的”。 His first love is eating chicken feet. 他的第一大爱好就是啃鸡爪。 eating 是个名词，表示“吃”这件事。 He always brings chicken feet to eat. 他总是带鸡爪子去吃。 to eat作为副词用，做目的状语。 一个句子一个谓 两个动词连成对 没有连词用非谓 Conclusion 不定式 非谓语之 动词不定式的时态和语态 语态 时态 主动形式 被动形式 一般式 to do 进行式 — 完成式 否定形式 to be done to be doing to have done to have been done 在to前加not 在to前加not ． 不定式作定语 Yuri Gagarin is the first astronaut to be sent into space in the world. Present Yuri Gagarin Neil Armstrong is the first astronaut to land onto the moon.world. Present Neil Armstrong Yang Liwei is the first Chinese astronaut to be sent into space in 2003. Present Yang Liwei Wang Yaping is the first astronaut to teach in space in China. Present Wang Yaping 1.Yuri Gagarin is the first astronaut to be sent into space in the world. 2.Neil Armstrong is the first astronaut to land onto the moon in the world. 3.Yang Liwei is the first Chinese astronaut to be sent into space in 2003. 4.Wang Yaping is the first astronaut to teach in space in China. Finding 1: the infinitive (to do) is used as _____to modify the nouns. Activity 1. Observe the sentences and answer the questions. 1. What do these sentences have in common 2. What is the function of the infinitives (to do) in these sentences Explore Attribute Group 1 1.Yuri Gagarin is the first astronaut to be sent into space in the world. 2.It is recognized that he is the best man to do the job. 3.He was the only one to keep moving at the same speed. Activity 2.Work out the rules of infinitives as attribute. 归纳：_____、_____和the only / the next / the last等或被这些词修饰的名词后面常用动词不定式作定语。 Explore 序数词 形容词最高级 Group 2 Practice is the only way to learn a language well. His ability to get on well with people is his chief advantage. We should get the courage to face the challenge. Sellers made an ... ...
