初一常用英语时态

大新庄乡第二初级中学张梅初一常用英语时态

在英语中，不同时间发生的动作或存在的状态要用不同的动词形式来表现。

每种时态的概念、信息词、结构、句式变化、以及某些时态间的相互区别重点掌握时态Tense时态现在进行时：一般现在时：一般过去时：现在正在进行的动作

经常或习惯性的动作或存在的状态。过去某个时间或时间段发生的动作或存在的状态。(ThePresentContinuousTense)(TheSimplePresentTense)(TheSimplePastTense)各时态常用的信息词现在进行时：一般现在时:一般过去时:

now,Look!Listen!atthistimeWhereis…?Don’ttalk!It’s8:00am.

always,usually,often,sometimes,seldom,never,everyday,every…,threetimesaday

lastnight,last…,twodaysago,…ago,in1999,in+过去的年份,justnow=amomentago,yesterday,yesterdaymorning各时态常用的信息词现在进行时：一般现在时:一般过去时:

now,Look!Listen!atthistimeWhereis…?Don’ttalk!It’s8:00am.

always,usually,often,sometimes,seldom,never,everyday,every…,threetimesaday

lastnight,last…,twodaysago,…ago,in1999,in+过去的年份,justnow=amomentago,yesterday,yesterdaymorning改一般疑问句的方法：改否定句的方法：①首先看有无be动词，如果有，将be提到句首并大写，句末打问号.②如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并且行为动词要还原。V-原形V-s/esV-ed(过去式)+动词原形…?以此类推①首先看有无be动词，如果有，在be动词后面加not.②如果没有be动词，看原句的动词形式来决定借用助动词do/does/did,并在后面加not,并且行为动词要还原。主语+don’t/doesn’t/didn’t+动词原形Do…Does…Did…现在分词的构成：动词第三人称单数的构成：过去式的构成：①直接加-ing.②重读辅元辅，双写尾字母加-ing.③以e结尾去e加-ing.①直接加-s.②以s,x,ch,sh,o结尾加-es.③以“辅音+y“结尾变y为i再加-es.①直接加-ed.②以e结尾只加d.③重读辅元辅，双写尾字母再加-ed.④以“辅音+y”结尾变y为i再加-ed.

对比时态动词形式否定句一般问句现在进行时

一般现在时一般过去时表格对比学习be+v-ing(现在分词）在be后加上notBe提到句首V-原形V-三人单在行为v.前借用do,does后加not，行为动词还原Do,Does提到句首，行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原Did提到句首，行为动词还原

对比时态动词形式否定句一般问句现在进行时

一般现在时一般过去时表格对比学习be+v-ing(现在分词）在be后加上notBe提到句首V-原形V-三人单在行为v.前借用do,does后加not，行为动词还原Do,Does提到句首，行为动词还原V-ed(过去式）在行为v.前借用did后加not，行为动词还原Did提到句首，行为动词还原小小测试判断时态形式：Healwayslikesplayingthepiano.()WearehavinganEnglishclassesnow.()Theyoftengohomelate.()Lucydancedthediscoatthepartylastnight.()IlikedgotothezoowhenIwasyoung.()Myteacherisfriendlytous.()Look!Theyareplayingfootball.()Shewasbornin1990.()Ilostmuchmoneylastnight.（）A.现在进行时B.一般现在时C.一般过去时ABCABBCCChave-look-begin-use-shop-get-dance-study-现在分词第三人称单数过去式study-finish-have-go-do-play-watch-give-need-stop-hope-play-try-plan-visit-like-

havinglookingbeginningusingshoppinggetting

dancing

studying

studiesfinishes

hasgoes

does

playswatchesgives

neededstoppedhopedplayed

triedplannedvisited

liked词形转换Heisateacher.你会了吗？2.KangkangcomesfromChina.3.Iusuallytakethebustowork.4.Theyarehavingclasses.5.Janeplayedtheguitarlastnight.先（一般疑问句）再（否定句）Isheateacher?Heisn’tateacher.DoesKangkangcomefromChina?Kangkangdoesn’tcomefromChina.Doyouusuallytakethebustowork?Idon’tusuallytakethebustowork.Aretheyhavingclasses?Theyaren’thavingclasses.DidJaneplaytheguitarlastnight?Janedidn’tplaytheguitarlastnight.句型变化操练用所给动词的适当形式填空。1.Listen!Mary_________(sing)now.2.Ayoungman__________(run)ontheplaygroundnow.3.Mymother_________(watch)TVplayeveryday.4.OldBush________(visit)Chinaagainlastmonth.5.I______(play)sportsthreetimesaday.6.Look!LucyandLily__________(read)books.7.There_______(is)afootballmatchyesterdayafternoon.8.Ourclass______(go)tothezoothreedaysago.issingingisrunningwatchesvisitedplayarereadingwaswent判断下列信息词是属于哪种时态

lastnightnoweverydayLook!yesterdayoftenListen!twoyearsagoalwaysin1897threetimesaweek

一般现在时一般过去时现在进行时过去式的不规则变化blow-buy-can-come-do-eat-fall-find-forget-get-give-go-have-know-learn-make-meet-read-run-say-see-send-sit-take-think-will-tell-begin-teach-catch-

blewboughtcould