小学英语语法知识讲解(一般过去时)

小学英语语法知识讲解含有be动词的句型一般过去时表示过去时间内某人某物存在的状态，性质等．eg:Iwasateacherlastyear.She(He)wasasinger.WeYouwerehappy.They一般现在时表示某人某物现在的状态，性质等．eg:Iamateachernow.She(He)isasinger.WeTheyarehappy.You一般现在时一般过去时Exe:1.She___(be)ourEnglishteacher.2.TomandNike___(be)myclassmates.3.I___(be)astudent.4.You___(be)alovelygirl.5.They___(be)myparents.6.They__________(be)farmerstwoyearsago.7.Mike__________(be)ababylonglongago.8.We__________(be)athomelastnight.含有be动词的句型结构一般现在时：肯定式:主语＋ＢＥ＋表语．否定式:主语+BE(amisare)+NOT+表语.疑问式：BE(AmIsAre)+主语＋表语？一般过去时：肯定式:主语＋ＢＥ＋表语．否定式：主语＋ＢＥ（waswere)+NOT+表语．疑问式：BE(WasWere)+主语＋表语？不含ＢＥ动词的句型(主语是第一，二人称及第三人称复数）一般现在时用来表示习惯性，经常性发生的动作．eg:Igotoworkbybuseveryday.youwatchTVeverynight.weplaybasketballontheweekends.Theyhavelessonseverymoring.主语＋动词原形＋其他．一般过去时用来表示在过去的时间里发生的动作．eg:Iwenttoworkbybusyesterday.youwatchedTVlastnight.Weplayedbasketballlastweekend.Theyhadlessonstwodaysago.主语＋动词过去式＋其他．主语是第三人称单数（肯定句）Hegoestoworkbybuseveryday.ShewatchesTVeverynight.李明playsbasketballontheweekends.Itsnowsineverywinter.主语＋动词单三＋其他．Hewenttoworkbybusyesterday.ShewatchedTVlastnight.李明playedbasketballthreedaysago.Itsnowedinlastwinter.主语＋动词过去式＋其他．主语是第一，二人称及第三人称复数（否定句）Idonotgotoworkbybuseveryday.youdonotwatchTVeverynight.wedonotplaybasketballontheweekends.Theydonothavelessonseverymoring.主语＋do＋not+动词原形+其他Ididnotgotoworkbybusyesterday.youdidnotwatchTVlastnight.Wedidnotplaybasketballlastweekend.Theydidnothavelessonstwodaysago.主语＋did+not+动词原形＋其他主语是第三人称单数（否定句）Hedoesnotgotoworkbybuseveryday.ShedoesnotwatchTVeverynight.李明doesnotplaybasketballontheweekends.Itdoesnotsnowineverywinter.主语＋does＋not+动词原形+其他Hedidnotgotoworkbybusyesterday.ShedidnotwatchTVlastnight.李明didnotplaybasketballthreedaysago.Itdidnotsnowinlastwinter.主语＋did＋not+动词原形+其他Exe:1.Weoften___________(play)intheplaygound.2.He_________(get)upatsixo’clock.3.__________you_________(brush)yourteetheverymorning.4.What____(do)heusually____(do)afterschool?5.Danny____(study)English,Chinese,Maths,ScienceandArtatschool.6.I_________(have)anexcitingpartylastweekend.7.What________Tom________(do)onSaturdayevening?He________(watch)TVand__________(read)aninterestingbook.8.Theyall_________(go)tothemountainsyesterdaymorning.9.She_________(notvisit)herauntlastweekend.She________(stay)athomeand_________(do)somecleaning.10.When________you_________(write)thissong?I__________(write)itlastyear.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；yesterdaymorning，oneday，lastyear，twodaysago，twohoursago,thedaybeforeyesterday,lastweek,last(year,night,month…),例如：①Isawhiminthestreetyesterday.昨天我在街上看见他了。②LiMeialwayswenttoschoolonfootlastyear.去年李梅总是步行上学。动词过去时的构成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。小学阶段要掌握的几个动词的过去式:watchedTV,washedclothes,playedfootball,cleanedtheroom,visitedgrandparents,wenttoapark,wentswimming,readabook,wentfishing,wenthiking,learnedChinese,sanganddanced,tookpictures,climbedamountain,ategoodfood,boughtpresents,rowedaboat,sawelephants,wentskiing,wentice-skating.一般过去时的练习I.用所给的动词的适当形式填空。⒈He_____(visit)theGreatWalllastyear.2.We________(have)agoodtimeyesterday.3.Weoften_______(go)toschoolbybuslastyear.4.I________(live)inthevillagewhenIwasachild.5.Mike______(see)abigtigerinthenatureparklastyear.visited6.Sam_____(do)thehouseworkyesterday.7.______(do)you_______(enjoy)yourselfyesterday?8.______(do)you_________(play)theviolinintheartroomyesterday?No,Ididn't.I_____(draw)somepicturesthere.9..I______(eat)abigpizzayesterday.10.There____(be)manysheeponthefarmlastyear.11.I______(watch)acartoononSaturday.12.Herfather_______(read)anewspaperlastnight.13.We_________tozooyesterday,we_____tothepark.(go)14.______you_______(visit)yourrelativeslastSpringFestival?15.______he_______(fly)akiteonSunday?Yes,he______.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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。1.Lucydidherhomeworkathome.（改否定句）Lucy________herhomeworkathome.2.Hefoundsomemeatinthefridge.（变一般疑问句)___he___＿____meatinthefridge?3.Shestayedthereforaweek.（对划线部分提问）______＿____she_____there?4.Therewassomeorangeinthecup.（变一般疑问句)_____there_____orangeinthecup?选择填空1.Shewateredtheflowers________.AtomorrowBsometimesCyesterdaymorning2.What____Mikedolastweekend?AdoBdoesCdid3.I___myroomlastSunday.AcleanedBcleanCamcleaning4.Ioftenhelpmymother_____houseworkAdoesBdidCdo5._____you_____TVlastnight.ADo,watc