初中各时态知识点讲解

1初中时态知识点总结一、一般现在时时态：用法1、经常性的动作例：JimwatchesTVeveryday.2、现在的特征或状态例：Heis12yearsold.3、自然现象或客观真理例：Theearthgoesroundthesun.1、与一般现在时连用的时间状语：usually,often,always,everyday,now,sometimes,onSundays等。2、四个基本句型：肯定句：Jimisateacher.LilywatchesTVeveryday.TheywatchTVeveryday.否定句：JimisnotateacherLilydoesn’twatcheveryday.Theydon’twatchTVeveryday.一般疑问句：IsJimateacher?Yes,heis.No,heisn’t.DoesLilywatchTVeveryday?Yes,shedoes.No,shedoesn’t.DotheywatchTVeveryday?Yes,theydo.No,theydon’t.特殊疑问句:WhatisJim?WhatdoesLilydoeveryday?Whatdotheydoeveryday?3、动词第三人称单数构成规则：1、一般在动词尾加s.例：play-plays2、以s,x,ch,sh结尾的词加s例：watch-watches3、以辅音字母+y结尾的词，改y为i,再加es例：study–studies4、特殊变化的有：be-ishave-hasgo-goesdo-does练习：用所给动词适当形式填空1._______(be)JimandIinthesameclass?No,you________.2.Yournewbook________(be)overthere.3.Jim,why______(be)youlateforschool?4.Jim’ssister________(do)herhomeworkeveryday.5.She________(notdo)morningexerciseseveryday.6._______yourmotheralways_________(do)herhomework?7.Lucyusually________(have)breakfastat7inthemorning.8._______ourteacher_______(has)anypencils?9.________LucyandLily_______(like)China?10.LiLei_______(notdrink)orangeeveryday?改错：每句有一处错误1.IssheMr.Green’sdaughter?Yes,she’s._____________2.AreyouMr.Wang?Yes,youare.____________3.Hermotherdoesn’toftenbrushesherteeth._______________4.DotheywatchTVeveryday?Yes,theydoes.___________5.Lucyreadbooksat7everyday._____________6.Jimnotcookseveryday.__________________7.IsJimanEnglishteacher?No,hearen’t.___________8.Lucydoesn’thaslunchatschooleveryday.___________9.Jim’sbrotherisgotoschooleveryday.______________10.Theboysareoftengotothezoo.___________________写出动词的第三人称单数形式Eatwatchseesaygobedohave句型转换1.Jimisatschooltoday.否定句：_______________________________________________________一般疑问句：___________________________________________________Yes和NO回答:_________________________________________________2特殊疑问句：___________________________________________________2.LucywatchesTVeveryday.否定句：_______________________________________________________一般疑问句：___________________________________________________Yes和NO回答:_________________________________________________特殊疑问句：___________________________________________________3.Theboysgotoschooleveryday.否定句：_______________________________________________________一般疑问句：___________________________________________________Yes和NO回答:_________________________________________________特殊疑问句：___________________________________________________二、现在进行时用法：1、现在进行的动作例：JimisreadinganEnglishbooknow.2、当前一段时期内正在进行的动作例：TheyarelivinginWuhanthesedays.1、与现在进行时连用的时间状语：now,thesedays,或有look,listen的提示2、构成：be+现在分词3、四个基本句型肯定句：JimiswatchingTVnow.否定句：JimisnotwatchingTVnow.一般疑问句：IsJimwatchingTVnow?Yes,heis.No,heisn’t.特殊疑问句：WhatisJimdoingnow?4、现在分词的构成1、一般动词词尾加ing例：read-reading2、以不发音字母e结尾的词，去e加ing例：make-making3、一个元音字母加一个辅音字母结尾重读的词，双写辅音字母再加ing.例：put–putting4、特殊的有：be-beinglie-lyingtie-tyingdie-dying5、少数动词的现在进行时的表示将要发生、常见的有：go,come,leave,fly,move,start,arrive,do…例：HeisleavingWuhanforBeijing.他将要离开武汉去北京。WhatisJimdoingonvocation?吉姆度假打算做什么？练习：用所给动词的适当形式填空1.Where’sourteacher?He_______________(watchTV)overtherenow.2.They___________(be)intheroomnow.3.Listen!LucyandLily_________(talk)abouttheweather.4.Bequiet!Myteacher____________(say)something.5.Look!LucyandLily______________(swim)intheriver.6.Itis8o’clock.They__________________(have)anEnglishclass.7._______you________(study)English?Yes,Iam.8.Mr.Smithcan’tcome.He_________(have)ameeting.(会议)改错：每句有一处错误1.Ishereadingnewspaperseveryday?_____________2.Aretheyplayingfootball?No,theydon’t.____________3.Theyarerunningontheplayground._______________4.Look!Thestudentsplayingbasketball._______________5.TheyarewatchTVintheroomnow.________________6.LucyandLilyaresinginganddance._______________7.Lucyarenowdoherhomeworkatschool._____________8.Listen!JimandTomdon’tnowsinging.________________3写出动词的ing形式Writestudyhavedobeeatsingget句型转换1.Hermotherisreadingnow.否定句：______________________________________________一般疑问句：__________________________________________用yes和NO回答：_____________________________________特殊疑问句：___________________________________________三、一般过去时态用法:过去时间发生的动作或存在的状态。例：HismotherwatchedTVyesterdayevening.Jimwasathomelastnight.1、与一般过去时连用的时间状语：yesterday,lastmonth,twodaysago,in1998,theotherday(几天前)，lastyear2、四个基本句型肯定句：Jimwasathomeyesterday.LilywatchedTVlastnight.否定句：Jimwasnotathomeyesterday.LilydidnotwatchTVlastnight.一般疑问句：WasJimathomeyesterday?DidLilywatchTVlastnight?Yes,hewas.No,hewasn’t.Yes,shedid.No,shedidn’t.特殊疑问句：WherewasJimyesterday?WhatdidLilydolastnight?3、动词的过去式的构成规则：1、一般在词尾加ed.例：want-wanted2、以e结尾的词，只加d.例：live-lived3、辅音字母+y结尾的词，改y-i,再加ed.例：study-studied4、一个元音字母加一个辅音字母结尾且重读的词，双写辅音字母，再加ed.例：stop-stopped练习:用所给动词的适当形式填空1.Jim___________(break)apenyesterday.2.Lucy___________(notdo)thehomeworklastnight.3.________Lily______(clean)theroomthismorning?No,she__________.4.Where________they________(has)lunchyesterday?5.Howmanyapples_______you________(buy)yesterday?6.________(be)theyallhereyesterday?No,they_____________.7.When_________(be)heborn?Match8th.8.I__________(notbe)atschoolyesterday.9.Jimg