初中英语课外辅导:动词时态常见考题例析 |
http://www.sina.com.cn 2005/03/29 13:00 英语辅导报 |
1. 根据时间状语确定时态的原则 [例] Hurry up!The play ______ for ten minutes. A. has begun B. had begun C. has been on D. began [析] 答案选C。since后接时间的起点, for后接时间段,主句动词用现在完成时,应注意瞬间动词与延续性动词的使用区别。 2. 在复合句中根据时态呼应确定时态的原则 [例] Do you know if ________ back next week? If he ________ back, please let me know. A. he comes; will come B. will he come; comes C. he will come; comes D. will he come; will come [析] 答案选C。if既可引导宾语从句,也可引导状语从句。充当宾语从句的连接词时,相当于whether,意为“是否”。充当状语从句的连接词时,意为“如果”。从时态看, if引导宾语从句时谓语动词的时态应根据主句的时态作相应的变化;引导表示将来动作或状态的条件从句时, 若主句用一般将来时,则从句通常用一般现在时表示将来。 3. 根据上下文已有时态信息确定时态的原则 [例] —When ________ this kind of computer ________? —Last year. A. did; useB. was; used C. is; used D. are; used [析] 答案选B。此例由答语的时间状语推断出要用一般过去时,并且要考虑到被动语态。 4. 利用上下文语意确定时态的原则 [例] —Hi! Lin Tao. I didn't see you at the party. —Oh, I ________ ready for the maths exam. A. am getting B. was getting C. got D. have got [析] 答案选B。此例由didn't, at the party推断出应用过去进行时。 5. 时态中的“特殊”对策的原则 [例] The teacher told us yesterday that December 25 ________Christmas Day. A. is B. was C. has been D. will be [析] 答案选A。 有些时候动词的时态是“违背常理”的。当宾语从句表示的是一个客观事实或客观真理时,其时态不受主句限制,用一般现在时表示。 (文/杜倩;英语辅导报初四普及版04—05学年度第4期;版权归英语辅导报社所有,独家网络合作伙伴新浪教育,未经许可,不得以任何形式进行转载。) |