人教版英语必修4Unit2第4学时：Grammar课件（34页）.ppt

第四学时　Grammar;动名词作主语和宾语 一、动名词作主语 (1)主语 Using the right hand to shake hands is a convention in many countries. 用右手握手是许多国家的一种习俗。 (2)动名词在“It is no use/no good/fun/a waste of time/a good pleasure+doing”结构中作主语，it为形式主语。如： It is no good writing to him ;he never answers letters. 写信给他不妥，他从来不回信。;It is no use your complaining ;the company won’t do anything about it. 抱怨是没有用的，公司是不会管的。 (3)动名词在“It is useless/nice/good/interesting/worthwhile +doing”结构中作主语。如： It is good playing chess after supper . 晚饭后弈棋挺好。 It is useless speaking . 光说是没有用的。;(4)动名词在“There is (was) no+doing”结构中作主语。 如：There is no denying that she is very efficient. 她效率高是不容否认的。 There is no telling what he is going to do. 他要做什么一点消息都没有。  二、动名词作宾语 (1)有些动词后面要求跟动名词作宾语。常这样用的动词有： ①习惯上只接动名词的动词:admit, appreciate, avoid, consider, delay, deny, enjoy, escape, revent, finish, imagine, mind, practise, risk, suggest, keep, forbid, advise, allow. can’t stand, can’t help, be worth,如： ;Will you admit having broken the window ?  你承认不承认打破了窗户？ Would you mind turning down your radio a little ,please? 你是否介意把收音机关小点声？  The squirrel was lucky that it just missed being caught.  松鼠很幸运没有被逮住。 ②后接doing的词组：;prefer...to, be used to, lead to, devote oneself to, stick to, look forward to, can’t help, be tired of, be fond of, be afraid of, be proud of, think of/about, put off, insist on, be successful in, be good at, burst out, prevent...from,如： He put off making a decision till he had more information. 在获得详情之前，他没有急于作出决定。 We are looking forward to coming to China.  我们期待着来中国。;③可接不定式和动名词作宾语且含义基本相同的动词： like, love, hate, prefer, begin, start, continue, intend ④可接不定式和动名词作宾语且含义不同的动词： remember, forget, regret, try, mean, stop, go on (2)在介词后接动名词作宾语。如： We succeeded in getting over all the difficulties . 我们终于克服了所有的困难。 (3)在下列结构中： have difficulty (trouble, problem, a hard time, fun, a good time) (+in)+动名词。 ;There is no point (in)+动名词，做某事没意义。 这些结构中动名词做介词宾语，in常要省去。如： There is no