1、 by (the end of) next month(by+将来时间); for the weekend; this afternoon; this evening; tonight; this weekend等时间状语时,谓语动词用一般将来时;3、句中既有yesterday等过去时间状语,又有一个具体时间点(at 5:00; this time; at that time)时,谓语动词用过去进行时;4、句中含有recently; in the last/past two years(in the last/past+一段时间); over the years(over the+一段时间);
2、 since 2005(since+具体时间或从句); for two years(for+一段时间,句中无其它时间状语); before(单独用于句尾)等时间状语时,谓语动词用现在完成时;5、by (the end of) last year(by+过去时间); two days before(一段时间+before); for和since说明的时间同时用于句中;by the time + 从句(过去时态)等时间状语时,谓语动词用过去完成时;6、简单句中如不含上述时间状语或有含说话时间在内的表示现在时间关系的词语时(如now; today; these days等词),其时态的判定一般按以下
3、步骤进行: - 句中是否含有表示频率关系的词。如有,用一般现在时; - 句子是否说明客观规律。如是,用一般现在时; - 句中动词是否表示状况。 - 句中动词是否为延续性动态动词。如是,用现在进行时; - 句中动词是否为完成性动词(瞬间动词)。如是,用现在完成时。二、主从句时态的一致性原则:主从复合句可根据其时态一致性原则,通过主从句中任意一个句子的时态确定另外一个句子的时态;含有时间状语从句的主从句还可通过其引导词所表示的不同时间关系,确定主句和从句的时态。三、通过上下文关系判定时态:另外我们还可以根据并列谓语的时态一致性原则、问句和答语的时态一致关系、无转折时间的短文时态一致原则等上下文时态
4、的关联以及句子的逻辑关系来判定句子中谓语动词的时态。Exercise( )1. What _ you _ over the weekend? A. will; do B. does; C. did; D. were,; doing )2. Xiao Li usually _ to school by bike last year.A. goes B. went C. will go D. is going )3. What _ in our town 100 years from now? A. happened B. is happened C. has happened D. will h
5、appen )4. Mr. Smith _ to see you in an hour.A. cameB. has comeC. will comeD. comes )5. _ you _ from your parents recently? A. Did; hear B. Have; heard C. Do; D. Will; hear )6. We _ TV at home this time last night.A. were watching B. watched C. have watched D. would watch )7. We _ over 1500 English w
6、ords by the end of last month. A. have learned B. had learned C. will learn D. learnt )8. She _ in Shanghai for ten years since 1992.A. has lived B. had lived C. lived D. will live )9. She _ in Shanghai for ten years. A. has livedB. had livedC. livedD. will live)10. We all know that the earth _ roun
7、d the sun. C. is going D. will go)11. “Where are the boys?” “They _ soccer on the playground.”A. play B. are playing C. were playing D. played)12. Look! Lucy _ under the tree.A. reads B. is reading C. was reading D. read)13. He _ more than 200 model cars in the last five years.A. has collected B. ha
8、d collected C. collected D. will collect( )14. Jim _ a letter to his parents at 7:30 last night.A. had written B. wrote C. would write D. was writing)15. The Smiths _ in Beijing since two weeks ago.A. stayed B. were staying C. would stay D. have stayed)16. “When _ you _ the bike? “Last Monday.”A. ha
9、ve; bought B. did; buy C. will; D. do; buy)17. Look! The boy _English now. A. likesB. likedC. is likingD. was liking)18. Most students in our class _ TV twice a week.A. watch C. will watch D. are watching)19. How soon _ they _ back from work?A. do; come C. have; D. will; come)20. “Where _ you _ Mr.
10、Li? “In his office, half an hour ago.”A. will; see C. have, seen see )21. I _ a new dictionary. Look! Its very useful. A. bought B. will buy C. have bought D. would buy )22. I wont watch the movie tonight. I _ it before.A. will see B. have seen C. saw D. had seen )23. Hello! I _ know you _ in Chengd
11、u. How long have you been here?A. didnt; were B. dont are C. didnt; are D. dont; were )24. He _ a fire and then cooked a meal.A. had made B. was making C. made D. has made )25. If I _ time tomorrow, I will go to visit my grandfather.A. have B. will have C. would have D. am having )26. Im going to be a doctor when I _ up.A. grow B. will grow C. grew D. am growing )27. The film _
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