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初中英语基本时态总结、一般现在时I、概念11)表示经常性或习惯性的动作,常与表示频度的时间状语连用时间状语always,usually,often,sometimes,seldom,never,every day,twice(提问用)a week,on Sunday,etc.How often例I leavehome forschool at7every morning.Tom getsup at6:00every morning.)客观真理,客观存在,科学事实2例.地球绕太阳转动The earthmoves aroundthe sun上海位于中国东部Shanghai liesin theeast ofChina.)格言或警句例骄者必败3Pride goesbefore afall.注意宾语从句中,即使主句是过去时,从句谓语是客观真理也要用一般现在时例哥伦布证实了地球是圆的Columbus provedthat theearth isround.、结构表状态(句中有实义动词不用)2S+am/is/are+P be表动作原(若主语是单三人称,谓动加)S+V+0s/es、句式变化3变疑问,有be把be提到主语前;无be在主语前加do/does,谓动变为原形变否定,有在淀后加在无在主语后力口dont/doesnt,谓动变为be nobe原形例
①一They arein theclassroom.Are theyin theclassroom Yes,they are./No,they arent.—They arentin theclassroom
②一He often waters the flowers.Does heoften waterthe flowersYes,he does./No,he doesnt.—He doesntoftenwatertheflowers、一般过去时n)
1、概念表示在确定的过去时间里所发生的动作或存在的状态1常用时间状语yesterday,the daybefore yesterday,last week,just now,anhour ago,the otherday,in
1982.at theage of5,one day,long longago,etc.例Where didyou gojust now)表示在过去一段时间内,经常性或习惯性的动作2例When I was achild,I oftenplayed footballin thestreet.、结构表状态2S+was/were+P表动作过去式(注句中有实义动词不用)S+V+0be、句式变化3变疑问,有把提到主语前;无在主语前加谓动变为原形be be be did,;变否定,有在后直接加无在主语后加谓动变为原形.bebe“not”be didnt,例
①She wasin Xianlast month.—Was shein Xianlast monthYes,shewas./一No,she wasntShe wasntin Xianlast month.
②Danny grewa rose just now,—Did Dannygrow arose justnow一Yes,he did./No,he didntDanny didntgrow arosejustnow,现在进行时IIL概念表示现阶段或说话时正在进行的动作
1.时间状语以及有时now,at thistime,these days,look,listen例Listen!The birdsare singing.、结构2S+am/is/are+doing助动现在分词、句式变化3变疑问,把提到主语前;变否定,在后直接加amAs/are am/is/are not”例
①一I amwriting a letter now.Are youwriting a letter nowYes,I am./一(注和不能缩写)No,Im not.I am not writingaletternow.amnot
②一The boysare playingfootball.Are theboys playingfootball一Yes,they are./No,they arentThe boysarent playingfootball.、过去进行时IV概念表示过去某段时间或某一时刻正在发生或进行的动作
1.•时间状语:或有at thistime yesterday,at that time,at8:00yesterday,when引导的时间状语从句等/while例We werehaving anEnglish classat9:30yesterday morning.I wasreading abook whilemy motherwas watchingTV.、结构2S+was/were+doing、句式变化3变疑问,把提到主语前;变否定,在后直接加例was/were was/were not”(一DAt thattime they were workingin thegarden.Were theyworking inthegarden atthattimeYes,theywere./No,they werent.—At thattime theywere workingin thegarden.
②一When hecame in,I wasreading a newspaper,When hecame in,wereyou reading anewspaperYes,Iwas./No,I wasnt.一When hecame in,I wasntreadinganewspaper.、一般将来时V概念表示将要发生的动作或存在的状态
1.时间词:tomorrow,tomorrow morning,at sevenoclock tomorrowevening,nextyear,this year,at the end of this term,from now,in tenminutes,in2025例They willdo anexperiment tomorrowafternoon.Brian is going todraw twentypictures attheendofthisterm.、结构原+其他2S+will+V(可改为,当主语是第一人称时可用)will be going towill shall例我先读哪一段呢?Which paragraphshall Iread first()Will you/Are you going to be athome atseven thisevening、句式变化3变疑问,把提到主语前;变否定,在后直接加will will“not”例;She willdrive toBeijing nextweek.—Will shedrive toBeijing nextweek一Yes,she will./No,she wontShe wontdrive toBeijing nextweek.★原begoing to+V表示主语的意图,即将做某事例a.What areyougoingto dotomorrow计戈安排要发生的事例b.U,The playisgoingtobeproduced nextmontho有迹象要发生的事例c.Look atthe darkclouds,there isgoingtobe astorm.★不定式表示将来,按计划或正式安排将发生的事例be+我们下星期六将讨论这份报告We areto discussthe reportnext Saturday,★用现在进行时表示将来等终止性动词可用现在进行时表示come,go,arrive,leave,start,begin,return将来例明天我要走了Pm leavingtomorrow.你会在这儿呆到下周吗?Are youstaying heretill nextweek、现在完成时VD表示
①过去发生或已经完成的动作对现在造成的影响或结果时间词:
1.ever,(最近),never,already,yet,before,just,recently/lately in the past few years
②或从过去已经开始持续到现在的动作或状态时间词时间段,
2.for+since+过去时间点/从句(提问用)How long例The countrysidehas changeda lotinthepastfewyears.He haslearned Frenchfor twoyears..结构:3S+have/has+done助动过去分词句式变化
4.变疑问,把提到主语前;变否定,在后直接加have/has have/has“not”例:
①Ive alreadywritten anarticle.—Have youwritten anarticle yetYes,一I have./No,I havent.I haventwritten anarticle yet.
②Li Minghas livedin Shijiazhuangsince
1993.一Has Li Ming livedin Shijiazhuangsince1993Yes,he has./No,he hasnt.一LiMinghasnt livedin Shijiazhuangsince
1993.★比较一般过去时与现在完成时)一般过去时表示过去某具体时间发生的动作或单纯叙述过去的事情,强调动1作;现在完成时则强调过去发生的动作对现在的造成影响,强调的是结果)一般过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状2语连用,或无时间状语例(强调看的动作发生过了)I sawthis filmyesterday.(强调对现在的影响,电影的内容已经知道了)I haveseen thisfilm.(强调起床的动作已发生过了)Why didyou getup soearly(强调有卷子未交,指结果)Who hasn^handed inhis paper(强调力口入这一动作)He joinedthe Leaguethree yearsago.(是团员的状态可持续)He hasbeen aLeague memberfor threeyears.句子中如有过去时的时间副词(如)时,不能使yesterday,last,week,in I960用现在完成时,要用过去时(错)Tom haswritten aletter to his parents last night.(对)Tom wrotealettertohisparentslastnight.。
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