雅思英语语法讲义.docx

1、雅思英语语法讲义雅思英语语法材料第一章 谓语动词第一讲 时态一、时态表格（一）一般（现在、过去、将来、过去将来）一般现在过去将来过去将来肯定句式主is/are+主v原/v单三+主was/were+主v-ed+主be + v-ing主will/shall + v原主is/are going to v：打算一般现在（主将从现）主be about to do sth马上主will +be + doing sth将要主would/should + v原主was/were going to+ v原否定句式主is/are not+主dont/doesnt + v原+主was/were not主didnt

2、+ v原主be + not + v-ing主wont/shall not + v原主is/are not going to+ v原主Was/Were not going to+ v原主would/ should not+ v原+/疑问句式Is/Are主+?Do/Does主+v原？Was/were主?Did主+v原?Be主v-ing+？Will/Shall主+v原？Is/Are主+v原？Would/Should主v原+？Was/were主going to+v原？意义重复、习惯；状态，客观；频度，次数；列车、航班动作已经完成；描述一系列动作；过去习惯将来计划、明确安排；预测、尚未安排、可能；考虑打

3、算、事实预测过去谈论将来标志性的时间状语频度副词：always, often, rarely, usually, sometimes, seldom; once/twice/three/four+次数；every evening/ day week/month/yearyesterday; last night/week/month season / year; ago; just now; 介词+过去的week/month/season/year/centuryWhen, as soon as, after, before, until, as long as; tomorrow; next

4、; in+表示将来的week/month/season/yearthe next时态“三字经”：现在时，并不难；表重复，表习惯；表状态，表客观；有频度，有次数；看主语，定单三。（二）（现在、过去、将来、过去将来）进行进行现在过去将来过去将来肯定句式主is/are +v-ing主was/were +v-ing主will/shall be + v-ing主would + v原主was/were going to+ v原否定句式主is/are not +v-ing主was/were not +v-ing主wont be + v-ing主Was/Were not going to+ v原主wouldn

5、t+ v原/疑问句式Is/Are主+v-ing?Was/were主+v-ing?Will主be + v-ing？Would主+v原？Was/were主going to+v原？意义说话时正在发生的状态；目前正在进行的工作为过去某一动作提供场景将来进行着的动作；纯粹的将来计划或安排过去谈论将来进行着的动作标志性的时间状语now; at the moment, currently, presently, at present, this week month/yearwhen， while， asby this time tomorrowb that time; the next day（三）（现在

6、、过去、将来、过去将来）完成完成现在过去将来过去将来肯定句式主has/have+v-ed主had+v-ed主will have+ v-ed主would have+ v-ed否定句式主has/have not v-ed主had not + v-ed主+wont have+ v-ed主wouldnt have+ v-ed疑问句式Has/Have主+v-ed?Had主+v-ed?Will主have+v-ed？Would主have+ v-ed?意义过去动作持续到现在；过去动作影响到现在过去某时之前发生的动作将来某时之前完成的动作过去将来某时之前完成的动作标志性的时间状语for+时间段，since+时间

7、点;Ever, never, just, already, yet; before, till now, when, as soon as, by the time, after; no sooner than, hardly whenBefore, by+固定时间; in+某段时间Before, by+固定时间; in+某段时间（四）（现在、过去、将来、过去将来）完成进行完成进行现在过去将来过去将来肯定句式主has/have been +v-ing主had been +v-ing主will have been +v-ing主would have+ been +v-ing否定句式主has/ha

8、ve not been +v-ing主had not been +v-ing主+wont have been +v-ing主wouldnt have been +v-ing疑问句式Has/Have主been +v-ing?Had主been +v-ing?Will主have been + v-ing？Would主have been +v-ing?意义某种状态或动作持续了多久过去之前某一动作持续的长短或动作本身将来某时之前某个动作或状态存在了多久过去将来某时之前动作或状态存在了多久标志性的时间状语for+时间段，since+时间点 for+时间段，since+时间点by the end ofby

9、the end of二、基本时态演练1.Science still a cure for cancer.a.doesnt find c.hasnt foundb.havent foundd.arent finding2.While he a route to the Indies, Columbus discovered America.a.searched c.had searched forb.was discoveringd.was searching for3.Existing reserves of fossil fuel by 2045.a.have been run out c.

10、is going to be run outb.will have run outd.have run out4.Only by investing heavily in value-added exports from the present trade imbalance.a.the country can emerge c.can the country emergeb.the country might emerged.the country emerged5.Until the 16th century the earth to be flat.a.is believedc.beli

11、evedb.has been believedd.was believed6.If the temperature of the reactor 500C higher meltdown would have occurred.a.wasc.was beingb.had been d.had7.The lecturer said Its time you the literature review.a.beganc.should beginb.begin d.are beginning8.After your results you should make an appointment wit

12、h your tutor.a.you receivingc.you have receivedb.you would have receivedd.you received9.You the experiment twice, not once.a.should have carried outc.havent carried outb.shouldnt have carried outd.couldnt have carried out10.The scientists were prohibited the danger zone.a.to enterc.enterb.entering d

13、.from entering三、时态改错1. People should act according to what they are believing. 2. In general, I think our government spent too much money on space travel. 3. These days, more and more people traveling to very distant places for their holidays. 4. I am hoping it is not too late to save the environmen

14、t. 5. The female hen laying on average 5 or 6 eggs per week. 6. Younger drivers is more likely to be involved in a car accident. 7. Most doctors are agreeing that the only way to lose weight is by doing more exercise. 第二讲 语态一、被动语态的形式一般进行完成现在主am/is/are + v-ed主am/is/are being +v-ed主 has/have been +v-ed 过去主 was/were +v-ed主was/w