Unit3 a taste of english humor 语法.ppt

归纳: 常用-ing形式作主语的句型有： It is/was waste of time doing 做……是浪费时间的 It is/was no good/use doing 做……是没用处的 It is/was worth/worthwhile doing 做……是值得的 There is no doing 无法……; 不允许…… * * Warming-up and reading 品味英语的幽默 常跟动词ing作宾语的动词歌诀: 考虑建议盼原谅， 承认推迟没得想， 避免错过继续练， 否认完成停能赏， 不禁介意准逃亡， 不准冒险凭想象。 consider, suggest / advise ,look forward to ,excuse ,pardon admit, delay / put off , fancy avoid , miss ,keep /keep on , practise deny , finish , stop ,enjoy / appreciate can’t help , mind , allow/ permit ,escape forbid , risk , imagine 2.既跟动词ing又接不定式作宾语的动词歌诀: 双方一旦开始，不论喜欢与否，都得继续下去。 不管记住与否，努力打算停止，后悔三个需要。 begin , start ,like ,prefer , hate ,dislike ,continue . remember , forget , try , mean , stop , regret , want , need , require to do sth. doing sth. forget remember regret mean go on stop try 忘记去做某事 忘记已经做过某事 记住去做某事 记住曾做过某事 遗憾去做某事 后悔做过某事 打算/想做某事 意味着做某事 （做完某事）接着去做另一件事 继续做同一件事 努力去做某事 试着做某事 停下来去做另一件事 停止做一件事 3. ---ing分词的被动式 当－ing 分词与它的逻辑主语构成被动关系时，需要用被动形式。根据－ing分词动作发生的时间，－ing分词的被动式分为一般被动式(being done)和完成被动式(having been done), 如： 　　The question being discussed is very important. Having been praised by the teacher, he works even harder. 5) 在see,hear,feel,watch,notice等感官动词后可以用-ing形式做宾语补足语。这时-ing 形式和句子的宾语之间存在着逻辑上的主谓关系，并且-ing 形式表示宾语正在进行的动作。如： He saw a boy climbing the tree. Do you hear someone knocking at the door? 有人敲门你听见了吗? Compare: Did you notice a man enter the room just now? 你注意到有个人刚才进了屋子吗？ Walking across the street, a car knocked him down.应改为： Walking across the street, he was knocked down by a car. He walking across the street, a car knocked him down. 1. –ing 分词的构成 having been done having done 完成式 being done doing 一般式 被动形式 主动形式 否定式: not+ --ing/not having(been) done 不是 having not (been) done 2. 一般式和完成式的用法 --ing 分词的一般式表示和谓语动词所表示 的动作同时进行的一个动作；完成式表示 先于谓语动词动作之前的一个动作。如： Walking along the street, he caught sight of an old friend of his. Not having studied his lessons very hard, he f