1、第5节动词的时态和语态第1讲时态重点句型1.It/This is the first time that sb. has done.这是某人第一次做某事It/This was the first time that sb. had done.这是某人第一次做某事It is the first time that he has performed on such a big stage.这是他第一次在如此大的舞台上表演。It was the third time that he had been out of work that year.这是他那一年第三次失业。2.It is/has been
2、.since sb. did sth. 自从某人过去做某事以来已经 (since后接过去时)sb. has done sth. since/ever since/since thenI have known him ever since I was a child.我自孩提时代起就已经认识他了。My computer broke down and my essay has been left unfinished since.我的电脑坏了，我的文章至今还没有写完。Ive been on the go ever since eight oclock this morning.我从早晨八点钟起就一
3、直忙个不停。3.It/This is the best (worst，most interesting等) that sb. has done sth. It is the most interesting book that I have ever read.这是我读过的最有趣的一本书。4.It wont be long before sb. does sth. 不久之后某人将会(before引导的时间状语从句中用一般现在时代替一般将来时)It wont be long before we see each other again.我们不久之后就会见面了。5.By the time sb.
4、does sth. ，sb. will have done到时为止时，某人将已经做了(by the time引导的时间状语从句中用一般现在时代替一般将来时)By the time I graduate next year，I will have lived here for 5 years.到明年毕业时，我就在这里待了五年了。I will have saved up to $5,000 by the time the new term begins in September.到九月份新学期开始时，我就能省下5 000美元了。6.“for一段时间”常与现在完成时连用，但也可以和其他时态连用。Ja
5、ck doesnt smoke now，but he smoked for almost twenty years.杰克现在不抽烟了，但是他过去曾抽烟抽了将近20年。Have you heard about the recent election?Sure，it has been the only thing on the news for the last three days.你听说最近的选举没有？当然，这是最近三天唯一的新闻事件。Guess what？I met Mark at the party.If my memory serves me correctly，you two hadn
6、t seen each other for almost ten years.你猜怎么着？我在聚会上遇到了迈克。如果我没记错的话，你们俩差不多10年没见面了。He played football for many years when he was young.年轻的时候，他踢了很多年足球。Peter，where did you guys go for the summer vacation?We had been busy with our work for months，so we went to the beach to relax ourselves.彼得，你们暑假去哪里了？我们几个月
7、来一直忙于工作，所以我们就去了海滩放松一下。7.hardly/scarcely.when.，no sooner.than.句型结构中，主句用过去完成时，从句用一般过去时，意为“一就”。Hardly had I got home when the rain poured down.我刚到家大雨就倾盆而下。8.be doing.when.正在做这时be about to do.when.正要做此时had just done.when.刚做了这时be on the point of doing.when.正要做这时I was thinking about my new plan when a good idea occurred to me.我正在考虑我的新计划，这时一个好主意浮现出来。They were just about to set out when it began to rain.他们正要出发，这时下起雨来了。I had just lain down when the telephone rang.我刚躺下，这时电话铃响了。I was on the point of giving up the search when something caught my eye in the bushes.我正要放弃搜索时突然注意到灌木丛中有什么东西。
