非谓语动词用法复习
第一部分 动词-ing形式的用法
(一)作主语
1. 直接放在句首:Reading in the sun is bad for our eyes .
2. 用it作形式主语而后置:
It’s no use ( no good , worth , useless , etc. ) waiting here for him .
3. 用于句型 There’s no + doing sth . 表示“没法,不可能做……”
e.g. There’s no asking him to help us , for he’s busy now .
(二)作表语
1. 动名词(短语)作表语, 对主语进行解释。
e.g. His job is cleaning the park .
What he likes best in summer is swimming .
2. 有些动词的ing形式已形容词化, 作表语时描述主语的性质, 特征, 状态。
1)描述情感的动词:excite , bore , amaze , amuse , confuse , discourage , disappoint ,
encourage , frighten , astonish , surprise , inspire , tire , shock , worry , please (使高兴) ,
move (感动) , satisfy , puzzle , etc.
e.g. This film is very interesting .
这些动词的过去分词也能作表语, 但意义有区别。
2) 有一些动词, 其ing形式形容词化, 可作表语。但其过去分词却不能。
living , missing , freezing (极冷的) , inviting (诱人的) , challenging , rewarding (值得做的) ,
striking (显著,引人注目的) , demanding (苛求的,要求高的) , promising (有希望,前途的) ,
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