英语时态的专项练习.doc

英语时态的专项练习(1) 1. Sales of CDs have greatly increased since the early 1990s, when people ________ to enjoy the advantages of this new technology. 　　A. begin B. began　C. have begun D. had begun 　　2. Turn on the television or open a magazine and you ________ advertisements showing happy families. A. will often see B. often see C. are often seeing D. have often seen 　　3. I hear Jane has gone to the Holy Island for her holiday. 　　Oh, how nice! Do you know when she ________? 　　A. was leaving B. had left C. has left D. left 　　4. What were you doing when Tony phoned you? 　　I had just finished my work and________ to take a shower. 　　A. had started B. started C. have started D. was starting 5. I ________ you not to move my dictionary now I can’t find it. 　　A. asked B. ask C. was asking D. had asked 　　 1. B. when引导的是一个非限制性定语从句，when指20世纪90年代初，当然用一般过去时。 　　2. A. 这是“祈使句+and +陈述句”句型，祈使句相当于一个条件状语从句，and后的陈述句的谓语用一般将来时，这是一个较为固定的句型。 　　3. D. 因为Jane已经度假去了，“离开”此地就当然是在此之前的过去某个时间了，所以用一般过去时，选D。另外，when通常都不与完成时连用，排除B和C，A也与语境不符。 　　4. D. 过去进行时在此表示过去准备要做的事。句意为：(Tony给我打电话时)我刚好做完工作，准备去冲凉。 　　5. A. 由now可知前句的意思是：我曾经叫你不要搬动我的词典的 (你偏不听)。“叫”是在过去发生的动作，用一般过去时。 英语时态的专项练习(2) 1. Has Sam finished his homework today? 　　I have no idea. He ________ it this morning. 　　A. did B. has done C. was doing D. had done 2. What’s that terrible noise? 　　The neighbors ________ for a party. have prepared B. are preparing C. prepare D. will prepare 3. 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 considerin C. considered D. is going to consider 4. The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck. 　　A. was B. were C. had been D. would be 5. The discussion ________ alive when an interesting topic was brought in. A. was coming B. had come C. has come D. came 　　 1. C. 根据句意“我不知道Sam现在是否已经做完了作业，(但是我知道)他今天早上一直在做作业”，可知要用过去进行时。 　　2. B. 由What’s=What is可知，现在在出声音;进而知道“邻居们正在为一个晚会