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1、 第 54 天 一般过去时和过去完成时的区别 学习要点 如何辨别一般过去时和过去完成时。家教点窍 过去完成时强调动作发生于另一动作或时间之前，所以必须要有过去的动作或时间作参加标准。而一般过去时只强调动作本身，不强调和另一动作的先后对比。典型例题 例 1 用动词的适当形式填空。I （write）eight letters last month.But I only (write)one letter before of last month.评析 第一句表示在过去last month做过某事，第二句以last month为参加标准，write动作发生于last month 之前。答案为wrot
2、e,had,written。例 2 用动词的适当形式填空。We (not know)how much time we (waste)until we began to work.评析 句中以动词began 说明此句中的know 动作发生在过去，waste 动作发生于know动作之前。答案为didn t know,had wasted.强化训练 一、选择填空。1.He says he Beijing several times already this year.(A)went (B)has gone to (C)has been (D)has been to 2.Mary school las
3、t year and is now learning Chinese here.(A)left (B)had left (C)has left (D)was leaving 3.Mary was caught in a traffic jam and by the time she arrived at the airport her father s plane .(A)took off (B)had already taken off (C)was taken off (D)had already been taken off 4.She was so interested in the
4、book that she it for three hours before her father called her.(A)had read (B)read (C)was reading (D)would have read 5.They thanked me for what my daughter .(A)did (B)has done (C)does (D)had done 6.I have bought an English-Chinese dictionary.When and where you it?(A)do buy (B)did buy (C)have bought (
5、D)had bought 7.She showed him the photo she the day before.(A)has taken (B)took (C)was taking (D)had taken 8.By the time he was ten,Edison experiments(实验)in chemistry.(A)had already done (B)already had done(C)was already doing (D)already did 9.The foreign friends here just now.(A)left (B)have left (
6、C)have been left (D)had left 10.Since when you so many young trees?(A)have planted (B)do plant (C)did plant (D)hadplanted 二、用动词的适当形式填空。1 I (not know)you (call)the police before I came here.2.I asked him which of the cities he (be)to was the most beautiful.3.The girl (begin)to clean the room for Gran
7、ny Li as soon as she arrived.4.Do you often come here?No,it s five years since I (come)here last time.5.What did Mr.Wang do before he went to bed?He (drive)a bus for over thirty hours.6.Their school team won a lot of matches last year,but they (not win)many matches so far this year.7.After I (have)l
8、unch at a village inn,I (look)for my bag.I (leave)it on a chair beside the door and now it (not,be)there!As (have)a good meal?”He asked.“Yes,thank you,”I answered,“but I can t pay the bill(付帐)。I (not get)my bag.”The inn-keeper (smile)and went out.In a few minutes he (return)with my bag and (give)it
9、back to me.“I m sorry,”he said,“My dog (take)it into the garden.He often (do)this.”参考答案 一、1.(D)2.(A)3.(B)4.(A)5.(D)6.(B)7.(D)8.(A)9.(A)(just now 用过去时)10.(A)二、1.didn t know,had called 2.had been 3.began 4.came 5.had driven 6.haven t won 7.had had,looked,had left,wasn t,was looking,came,didhave,haven t got,returned,gave,had taken,does