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1、语法难点突破之一——动词的时态语法专题突破.ThehouseswereoldandsmallPeopleusedtoliveinoldbuildings.Pollutionwasserious,andtherewasrubbisheverywhere.Thetrafficwasnotveryconvenientsothatfewpeoplecamehere.Nowgreatchangeshavetakenplaceinmyhometown.Theenvironmenthasbecomemorebeautiful.Theriverisclearerandtheskyisbl
2、uer.ManyfamilieshavenotonlycolorTVsets,butalsotelephones,fridges,computers,andsoon.Manypeopleallhavetheirowncars1)Thehouseswereoldandsmall.2)Peopleusedtoliveinoldbuildings.3)Nowgreatchangeshavetakenplaceinmyhometown.4)peoplearelivingahappylife.5)Manypeopleallhavetheirowncars.6)wewillhavea
3、betterlifeinthefuture.时 态一、定义：在英语中，发生的动作要用不同的动词形式来表示，这每一种不同的形式就叫做时态。不同时间语态时态etc.主动一般现在时一般过去时一般将来时.过去将来时过去完成时现在完成时将来完成时现在进行时过去进行时v./v.s/esVed/不规则动词will+v/begoingto+vwould+v.had+Vp.phave/has+Vp.pwillhave+Vp.pam/is/are+Vingwas/were+Ving概念：常用时间状语：构成形式：1.一般现在时态(TheSimplePresentTense)表示经常发生的或
4、习惯性的动作或状态。do/does(三单)everyday,always,usually,often,sometimes,onSundays,threetimesaday,etcExerciseWho___________(dance)bestinyourclass?2.Studentsusually__________(have)tenminutes’restbetweentwoclasses.danceshave一般现在时的用法2）客观真理，客观存在，科学事实或表示格言或警句。①Knowledge________(begin)withpractice.②Shesaid
5、thattheseawater____(be)salty.beginsis1一般现在时的用法3）按火车、汽车、飞机等时刻表将要发生的事。此时句中有时有将来的时间状语，但不用将来时此时主主语是物：车，船，飞机等Thetrainleavesatthreethisafternoon.4）在时间、条件、方式、让步状语从句中，用一般现在时代替一般将时.(when,before,if,assoonas,unless…【主将从现】①Ifitisfinetomorrow,wewillgotothecountryside.如果明天不下雨，我们将去野营。1)Ifit________(rain
6、)tomorrow,we’llgoonapicnic.2)We_________(begin)ourclassassoonastheteacher______(come)3）Wedon’tknowifit___________(rain)tomorrow.Ifit________(rain)tomorrow,we’llnotgoforapicnic.doesn’trainwillbegincomeswillrainrains概念：常用时间状语：构成形式：2.一般过去时态(TheSimplePastTense)表示过去某个时间发生的动作或存在的状态V+edyesterday
7、,justnow,last…,in1945,atthattime;once;afewdaysago;when,etcExercise1.I___________(find)myrulerinmydesk.found2.Weand__________(see)lotsofbirds___________(fly)overthetrees.3.Awomansawhimcryingandtellinghimtowaitoutsideashop.(2015全国II卷改错)flyingsawfiveminutesagolookedupt
