1、Section Discovering Useful Structures 一、动词-ing形式作定语 【观察思考】 People are running out of the burning house. (前置定语) 人们正从着火的房子里跑出来。 The boy standing there(=who is standing there) is a classmate of mine. (后置定语) 站在那儿的那个男孩是我的同班同学。 动词动词-ing形式作定语和表语形式作定语和表语 The building being built over there is our library. (
2、后置定语,强调 “正在被建”) 那里正在建造的大楼是我们的图书馆。 【探究总结】 (1)单个的动词-ing形式作定语常放在被修饰的名词之前,作 ; 动词-ing形式短语作定语则常放在被修饰的名词之后,作 , 相当于一个定语从句。表示 、 的动作。 (2)动词-ing形式的被动式being done作定语时,表示一个 、 _的动作。 (3)动词-ing形式的完成式一般不作定语。 答案答案: (1)前置定语前置定语;后置定语后置定语;主动的主动的;正在进行正在进行 (2)被动的被动的;正在进行正在进行 【应用实践】 (1)用所给词的适当形式填空。 Women (look) after small
3、children in this city usually get paid monthly. The children (practise) playing the violin over there will give a performance next week. Make less noise. Theres a (sleep) child. You should adapt to the (change)situation. He built a (swim) pool in his garden last year. (2)句型转换。 The man speaking to th
4、e teacher is Toms father. =The man _ _ speaking to the teacher is Toms father. No one is allowed to speak aloud in the reading room. =No one is allowed to speak aloud in the room _ _. 答案答案: (1)looking practising sleeping changing swimming (2)who is for reading 二、动词-ing形式作表语 【观察思考】 Her job is teachin
5、g. =Teaching is her job. 她的工作是教书。 Her job is very interesting. 她的工作是非常有趣的。 The story is very moving. 这个故事很感人。 【探究总结】 (1)动词-ing形式作表语用于对主语的内容进行解释说明,可表示 抽象或习惯性的动作,且主语和表语可以互换位置。 (2)动词-ing形式作表语表示主语的性质、特征和状态,相当于形 容词。动词-ing形式的前面可以有修饰性的副词,如very、rather、 quite等。 (3)作表语的动词-ing形式,许多是由能够表示人们某种感情或情 绪的动词变化而来的。常见的有
6、:astonishing、confusing、 disappointing、boring、encouraging、inspiring、moving、tiring、 interesting、surprising等,它们表示“ ”时,常修饰 物;但这类词的-ed形式,表示“ ”,常修饰人。 令人令人的的 感到感到的的 【应用实践】 (1)用所给词的适当形式填空。 What I am tired of is (wait) here alone. This food smells (invite). Their job is (clean) the windows. The news was (disappoint). This film is very (move). (2)完成句子。 My job is _(照顾) the children. His concern for his mother is _(相当感人). 答案答案: (1)waiting inviting cleaning disappointing moving (2)looking after quite moving
