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浅析介词For


浅析介词 For +时间段,可以用哪几种时态
本人在学生平时的练习中,发现学生做到 for +段时间的题目时,都定势思维 认为用现在完成时。其实不全是这样,有好多时态都可以使用。现浅析如下: 一.For +时间段,用现在完成时: 1. (2007 福建,30)Danny _____ hard for long to realize his dream and now he is popular. A. works B. is working C. has worked D. worked C 解析:C 项强调发生在过去的动作对现在造成影响;A 项强调现在习惯性或 经常发生的动作,与过去无关; B 项表示现在正在进行或近段时期内正在进行 的动作,不与时间状语 for long 连用;D 项表示过去经常发生的动作,与现在无 关。故选 C 项。 二.For +时间段,用现在完成进行时: 2. (2010 天津,4) We ____ on this project for four hours. Let’s have a rest . A. are working B. have been working C. worked D. had worked B 解析:本题考查动词的时态。根据语境中“休息一下吧”可知工作尚未完 成,又结合题干中的 for four hours,可推知设空处应该用现在完成时的进行 时态。 3.(2008 江苏,33) —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 D 解析:现在完成进行时表示动作从过去一直延续到现在,并含有明显的感 情色彩,暗示准备的时间很长。 三.For +时间段,用过去完成时: 4. (2013 辽宁,22)He was unhappy when he sold his guitar. After all, he _____ it for a very long time. A. has had B. had had C. has D. had B 解析:根据句意得知:拥有吉他在前,卖掉吉他在后,所以拥有的动作发生 在过去的过去,应用过去完成时。 5.如(2010 江苏,30)—Peter ,where did you guys go for the summer vacation? —We _____ busy with our work for months, so we went to the beach for relax ourselves. A. were B. have been C. had been D. will be

C 解析:本题考查动词的时态。忙工作发生在度假之前,根据后半句的过去 时态可得知,此处应采用过去完成时态。 四.For+时间段,用一般过去时: 6.(2008 天津,14)He ______ football regularly for many years when he was young. A. was playing B. played C. has played D. had played B 解析:踢足球发生在他年轻的时候,根据 when he was young. 可以看出,应该是在过去的时间发生的事情,因此用一般过去时。 7. (2011 北京,27)— That must have been a long trip. —Yeah, it ____ us a whole week to get there. A. takes B. has taken C. took D. was taking. C 解析:must have done 用来表示对过去的肯定推测,由此判断语境指过去,故 排除 A 项;B 项为现在完成时,强调对现在造成的结果或影响,属于现在时态 范畴,故排除。D 项为过去进行时,表示过去正在进行的动作,不符合语境, 也排除。题干只是在陈述过去发生的事情,应用一般过去时,故选 C。 五.For + 时间段,用一般现在时: 8. (2010 江苏苏北四市第二次调研 ) —Have you seen my email about our TESL project? —Yes luckily , I checked my emails yesterday. Normally, I ____ my mailbox for days. A. haven’t opened B. didn’t open C. hadn’t opened D. don’t open D 解析:根据 Normally(通常情况下)可知这里应用一般现在时。 六.For + 时间段,用过去完成进行时: 9. The telephone ____________ for three minutes before it was answered. A. has rung B. had rung C. has been ringing D. had been ringing D 解析:电话铃响了三分钟才有人接。 综上所述,我们看到 For + 时间段的题目,不能盲目的认为就选现在完成时,我们应 该具体题目具体分析,当然学生需要经过大量的练习才能体会到到底用哪个时 态。


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