一般过去时的构成及用法

一般过去时的构成及用法：一、一般过去时的用法：1.表示过去的动作或状态，常和明确的过去时间状语连用，如：yesterday,lastweek,threedaysago,in1998,justnow等，或与由when引导的从句连用。2.也可以表示过去某一段时间内经常或反复出现的动作。句子中常带有everyday,often,usually,always,sometimes等时间状语。例：WhenIworkedinthecompany,Igotupearlyeverymorning.在那家公司上班时，我每天早晨都起得很早。Inthepastfewyearssheusuallywenttouringduringhersummerholidays.在过去的几年里，每逢暑假她总是出去旅游。二、一般过去时的形式tobe:第一人称单数和第三人称单数用was,其余的人称用were。todo(行为动词：行为动词的过去式有两类，一类是规则动词，另一类是不规则动词。tohave:各人称，单、复数一律用had。肯定句否定句beI/He/She/Itwas...I/He/She/Itwasnot...We/You/Theywere...We/You/Theywerenot...haveI/He/She/It/We/You/Theyhad...I/He/She/It/We/You/Theyhadnot（有）...I/He/She/It/We/You/Theydidnothave(吃/喝/进行...…行为动词I/He/She/It/We/You/Theystudied…I/He/She/It/We/You/Theydidnotstudy…一般疑问句简略回答beWashe/she/it...?Yes,hewas.(No,hewasn’t.Werewe/you/they...?Yes,youwere.(No,youwerenothaveHadI/he/she/it/you/we/they...?DidI/you/he...have...Yes,youhad.(No,youhadn’t.Yes,youdid.(No,youdidn’t.行为动词Didhe/she/it/we/you/theystudy..?Yes,youdid.(No,youdidn’t.I.一般过去时的概念一般过去时表示过去某个时间发生的动作或存在的状态。常和表示过去的时间状语连用。如：lastyear,yesterday等；也可表示过去经常反复发生的动作，常和often,always等频率副词连用。例如：①Isawhiminthestreetyesterday.昨天我在街上看见他了。②LiMeialwayswenttoschoolonfootlastyear.去年李梅总是步行上学。II.一般过去时的构成我们主要来学习谓语动词为实义动词的一般过去时的构成。动词过去式的构成：(1规则动词过去式的构成有四条规则：①一般在动词原形末尾直接加上-ed。如：look-looked。②以不发音的字母e结尾的动词，去e再加-ed。如：live-lived。③末尾只有一个辅音字母的重读闭音节，先双写这个辅音字母，再加-ed。如：stop-stopped。④末尾是辅音字母+y结尾的动词，先变y为i，然后再加-ed。如：study-studied。(2不规则动词的过去式需特殊记忆。如：am(is-was,are-were,go-went,come-came,take-took,have(has-had等。III.一般过去时的几种句型肯定句结构为：主语+动词的过去式+其它。如：Hewenttothetoystoreyesterday.他昨天去玩具店了。否定句结构为：主语+didnot(didn't+动词原形+其它。如：Hedidn'tgotothetoystoreyesterday.他昨天没去玩具店。一般过去时的一般疑问句的构成：Did+主语＋动词原形＋其它？如：1-DidyougotoBeijinglastweek?-Yes,wedid.(No,wedidn't.2-Didyoumeetthebusinessmanbefore?-No,Ididn't.(Yes,Idid.一般过去时的特殊疑问句的构成：疑问词＋did+主语＋动词原形＋其它？如：1-Whatdidyoudolastnight?-Ididmyhomework.2-Wheredidyougolastweek?-IwenttoShanghaiwithmyparents.一般过去时口诀一般过去时并不难，表示过去动作、状态记心间。动词要用过去式，时间状语句末站。否定句很简单，didn't站在动词原形前，其它部分不要变。一般疑问句也好变，did放在句子前，主语、动词原形、其它部分依次站。特殊疑问句也简单，疑问词加一般疑问句记心间。最后一条请注意，动词过去式要牢记。一般现在时与一般过去时[2007-12-1213:41:00|By:37z.颜宾]一般现在时与一般过去时Teachingperiods:1.Teachingaimsanddemands:1.口笔头掌握各种一般现在时与一般过去时的句型。2.一般现在时与一般过去时的动词规则与不规则变化。Teachingprocedure:Step1review1．一般现在时与一般过去时共同点：①两者均可表示人的性格、特征、爱好，以及习惯性动作，常与频度副词：often,sometimes,seldom,usually,always,onceaweek,threetimesamonth,等连用。Eg:Ilikesinging.IlikedsingingwhenIwasachild.Ioftensing.IoftensangwhenIwasachild.②在条件和时间状语从句中，一般将来时要改为一般现在时，过去将来时要改为一般过去时。Eg:IamgoingtobeadocterwhenIgrowup.Iamgoingtothezooifitdoesn’train.Theweatherisgettingwarmerandwarmerwhenspringcomes.2.一般现在时与一般过去时的不同点：①一般现在时表示现阶段发生的动作或状态，以及永恒不变的事实、真理和自然规律，常与时间状语today,everyday,onSunday,everymorning等连用。Eg:Whatdayistoday?WesometimesgototheparkonSunday.Theyridebikestoschooleveryday.Igetupearlyeverymorning.SpringreturnsinMarch.HesaidspringreturnsinMarch..Thesunisbiggerthanthemoon.②一般过去时表示过去阶段发生的动作或状态，常与时间状语yesterday,lastyear,thedaybeforeyesterday,themonthbefore,thismorning,fivedaysago等连用。Eg:Whatdaywasyesterday?WesometimeswenttotheparkonSundaylastyear.Theyrodebikestoschoolthedaybeforeyesterday.Igotupearlythismorning.Ilostmypenfivedaysago.Step2presentation1.一般现在时肯、否定句、一般疑问句及简短回答和特殊疑问句的变化规则。①“行为动词”与助动词“do”连用：SometimeswegototheparkonSunday.Sometimeswedon’tgototheparkonSunday.DoyousometimesgototheparkonSunday?Yes,wedo./No,wedon’t.WheredoyousometimesgoonSunday?Whendoyousometimesgotothepark?②“行为动词三单主语”与助动词“does”连用：SpringreturnsinMarch.Springdoesn’treturninMarch.DoesspringreturninMarch？Yes,itdoes./No,itdoesn’t.Whendoesspringreturn？③“be动词”可以兼助动词：Thesunisn’tbiggerthanthemoon.Isthesunbiggerthanthemoon？Yes,itis./No,itisn’t.Howisthesunthanthemoon？2.一般过去时肯、否定句、一般疑问句及简短回答和特殊疑问句的变化规则。①“行为动词”与助动词“did”连用：Igotupatsixthirtythismorning.Ididn’tgetupatsixthirtythismorning.Didyougetupatsixthirtythismorning?Yes,Idid./No,Ididn’t.Whendidyougetupthismorning?②“be动词”可以兼助动词：ItwasMondayyesterday.Itwasn’tMondayyesterday.WasitMondayyesterday?Yes,itwas./No,itwasn’t.Whatdaywasyesterday?Step3practice1.T:Ilikesinging.Cue:whenIwasachild.S:IlikedsingingwhenIwasachild.Cue:否定句S:Ididn’tlikesingingwhenIwasachild.Cue:一般问句S:Didyoulikesingingwhenyouwereachild?Cue:answerS:Yes,Idid.Cue:WhatS:Whatdidyoulikewhenyouwereachild?2.T:Theyridebikestoschooleveryday.Cue:heS:Heridesabiketoschooleveryday.Cue:yesterdayS:Herodeabiketoschoolyesterday.Cue:否定句S:Hedidn’trideabiketoschoolyesterday.Cue:一般问句S:Didherideabiketoschoolyesterday?Cue:answerS:Yes,hedid.Cue:WhenS:Whendidherideabiketoschool?3.T:Igetupearlyeverymorning.Cue:sheS:Shegetsupearlyeverymorning.Cue:lastmorningS:Igotupearlylastmorning.Cue:否定句S:Ididn’tgotupearlylastmorning.Cue:一般问句S:Didhegetupearlylastmorning?Cue:answerS:Yes,hedid.Cue:WhenS:Whendidhegetupearly?4.T:Ilostmypenfivedaysago.Cue:否定句S:Ididn’tlosemypenfivedaysago.Cue:一般问句S:Didhelosehispenfivedaysago?Cue:answerS:Yes,hedid.Cue:WhenS:Whendidhelosehispen?5.T:Wegototheparktwiceamonth.Cue:TheyS:Theygototheparktwiceamonth.Cue:heS:Hegoestotheparktwiceamonth.Cue:否定句S:Hedoesn’tgototheparktwiceamonth.Cue:一般问句S:Doeshegototheparktwiceamo