04 Unit 3 Charity 动词ing形式作主语和宾语 （课件）英语沪外版2020选择性必修第二册

Unit 3 Charity -ing forms — used as subjects and objects 动词ing 形式 --- 作主语和宾语 意义：-ing作主语表示抽象性的、概念性的动作, 可以是多次的、经常性的行为。 习惯上常用doing和being done 作主语。 -ing形式作主语，通常直接置于句首。谓语动词用单数形式。 例如句型： It is/was no use /good doing sth. It is/was no fun/pleasure doing sth. It is/was of little use/good doing sth. 1. -ing form used as subjects 动词 -ing 形式的否定形式是在其前面加 not，带有逻辑主语时 not 应在动词 -ing 形式之前。 e.g. Your schoolmate’s not coming home in time made her parents worried. 动词 -ing 形式作主语时常后置，用 it 作形式主语，用形容词或名词作表语。常见的作表语的名词或短语有：no use, no good, fun, hard work, a hard / difficult job, a wonder, a waste of time 等。 1. -ing form used as subjects 用it作形式主语前置时，句子侧重于表语部分，强调行为的特征、状态或给人的感受。 动词-ing形式作主语前置时，句子侧重于主语部分，强调行为本身的具体内容。 e.g. It's no use crying over spilt milk. He realized that to go on like this was no use . 1. -ing form used as subjects ( ) 1. ______ the difference between the two research findings will be one of the worst mistakes you make. A. Ignore B. Ignoring C. Ignored D. Having ignored ( ) 2. Even though the sun is brightly shining, ________ whether it is morning or night is impossible. A. Tell B. Told C. Telling D. Having told Choices B C 有许多动词之后，都是直接加-ing的形式。而同时有一些动词之后既可以加-ing也可以加不定式- to do, 但是它们的含义是有区别的。 因此这一部分需要同学们加强记忆，多阅读多熟悉。 避免、错过、少延期: 建议、完成、多练习: 喜欢、相像、禁不住: 承认、否认、与嫉妒: 逃避、冒险、莫原谅: 忍受、保持、不介意: 2. -ing form used as objects avoid, miss, put off suggest/advise, finish, practise enjoy, imagine, can’t help admit, deny, envy escape, risk, excuse stand, keep, mind 其他重要句型： need/want/require doing sth. = need/want/require to be done. deserve doing sth. = deserve to be done. be worth doing sth be worthy of being done = be worthy to be done 2. -ing form used as objects 2. -ing form used as objects 2. -ing form used as objects ( ) 1. After receiving the Oscar for Best Supporting Actress, Anne Benedict went on _________all the people who had helped