现在完成进行时 1. 现在完成进行时的构成 肯定句:主语 + have/has + been + 现在分词 ... 否定句:主语 + have/has + not + been + 现在分词 ... 疑问句: Have/Has + 主语 + been + 现在分词 ...? 疑问代词 / 疑问副词 + have/has + 主语 + been + 现在分词 ...? I've been trying to find out her telephone number. They have been widening the road. She is very tired. She's been typing letters all day. I've not been feeling very well for the past few days. It hasn't been working properly for three weeks. Have you been writing books for long? Have you been working all morning? —Yes , we've been working4hours without a break. You look dirty. What have you been doing? —I've been cleaning the garage. 。 You've taken your time! What on earth have you been doing? 2. 现在完成进行时的用法 1 ) . 表示过去发生并持续到现在的动作 现在完成进行时表示现在以前这一段时间里一直在进行的一个动作,这个动作可能仍在进行,也可能停止了一会儿: How long have you been learning English? How long has it been snowing? (还在下雪) How long have you been studying here? —I've been studying here for five years. 2 ) . 表示现在经常重复的动作 Jack has been phoning Jane every night for the last week. We've been seeing quite a lot of each other recently. 3. 现在完成进行时与现在完成时的区别 现在完成进行时句子中常含有 “all + 表示时间的词语 ” ,如 all day (一整天), all morning (一上午), for (有 ...... 多久)和 since (自 ...... 以来)。 现在完成进行时通常表示尚未完成的动作;现在完成表示已完成的动作。有些动词如 learn (学习), lie (躺), live (居住), rain (下雨), sleep (睡), study (学习), wait (等候), work (工作)等本身就有持续性,其现在完成进行时形式和现在完成时形式可以互换,惟一的区别是前者更强调动作的持续性: Where have you been? What have you been doing? 你到哪里去了 ? 干什么去了 ? I've been doing my homework. 我一直在做作业。(还在做) I've finished my homework. 我已做完作业了。(已完成) We've been talking to him all morning. 我们今天一上午都在同他谈话。(可能还没) We've talked to him this morning. 我们今天上午同他话。 (已) 现代英语,特别是口语,对于像 lie (躺), sit (坐), stay (暂住), wait (等候)等动词,用现在完成进行用现在完成合习惯: He has been sitting there studying all evening. 他整个晚上都坐在那儿学习。 I've been waiting for you since morning. 我从上午一直在等你。 We've been staying in a hotel since we came here. 自从到这里以后,我们一直住在旅馆。 练习 1. Tom ______ in the library every night over the last three months. A. works B. worked C. has been working D. had been working 2. Now that she is out of a job, Lucy ______ going back to school, but she hasn’t decided yet. A. had considered B. has been considering C. considered D. is going to consider 3. I won ’ t tell the student the answer to the math problem until he ______ on it for more than an hour. A. has been working B. will have worked C. will have been working D. had worked 4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year. A. studies B. studied C. is studying D. has been studying 5. — I have got a headache. — No wonder. You ______ in front of that computer too long. A. work B. are working C. have been working D. worked 6. — I ’ m sure Andrew will win the first prize in the final. — I think so. He ______ for it for months. A. is preparing B. was preparing C. had been preparing D. has been preparing 7. Excuse me, Marcia, a reporter from Vanity Fair ______ all day. Could you speak to her now? A. phones B. has phoned C. has been phoning D. phoned 8. Over the past decades, sea ice ______ in the Arctic as a result of global warming. A. had decreased B. decreased C. has been decreasing D. is decreasing 9. — Why, Jack, you look so tired! — Well, I ______ the house and I must finish the work tomorrow. A. was painting B. will be painting C. have painted D. have been painting 10. Mother wanted to be a good provider, a role she ______ since her marriage to Father. A. shoulders B. shouldered C. is shouldering D. has been shouldering 11. Joseph ______ to evening classes since last month, but he still can ’ t say “ What ’ s your name? ” in Russian. A. has been going B. went C. goes D. has gone 12. I have to see the doctor because I ______ a lot lately. A. have been coughing B. had coughed C. coughed D. cough 13. — Hi, Tracy, you look tired. — I am tired. I ______ the living room all day. A. painted B. had painted C. have been painting D. have painted 14. We ______ on this project for four hours. Let ’ s have a rest. A. are working B. have been working C. worked D. had worked 1.