非谓语动词v-ingform.ppt

时 态 和 语 态 2. The people sitting behind us are all teachers. 3. The expert coming from America is a lady called Ms Cai. Grammar 2. He lives far from school and is often late. Living far from his school, he is often late. 3. He cut off the electricity quickly and prevented an accident. Having cut off the electricity quickly, he prevented an accident. (2) go on to do / doing (3) mean to do / doing (4) stop to do / doing (5) try to do / doing (6) be used to do / doing used to do (7) can’t help to do / doing 五、Predicative eg: His duty is cleaning the playground. 表语和主语常常可以互换位置 1. v-ing形式与不定式作表语的区别： (1) 一般情况下区别不大，常可互换，但要注意前后一致性。 应该注意的问题： eg: Seeing is believing. = To see is to believe. 眼见为实。 eg： 节约即是收入。 Saving is having. = ___________________ To save is to have. (2) v-ing形式接近n. 作表语时表示 _______________________; to do 接近v. 作表语时表示 __________________________. 习惯性的抽象的动作 某个具体的，将来的动作 2. My wife said in her letter that she would appreciate ____ from you sometime. A. to have heard B. to hear C. for hearing D. hearing Exercises 1. Mark often attempts to escape ____ whenever he breaks traffic regulations. A. having been fined B. to have been fined C. to be fined D. being fined 3. The thief took away the woman’s wallet without____ A. being seen B. seeing C. him seeing D. seeing him 5. No one can avoid ____ by advertisements. A. to be influenced B. being influenced C. influencing D. having influence 4. I’ve enjoyed ____ to talk with you. A. to be able B. being able C. to been able D. of being able 7. You can’t help ____ commercials; every few minutes the program is interrupted to give you one advertisement or another. A. to hear B. to be heard C. hearing D. with hearing 6. Your shirt needs ____. Youd better have it done today. A. iron B. to