北京市平谷县第二中学初中英语 各种时态专题课件 人教新目标版.ppt

初中英语 时态总复习 differences englishchinese 我们每天打扫教室 我们正在打扫教室 明天我们将要打扫教室 昨天我们打扫了教室 wecleantheclassroomeveryday wearecleaningtheclassroomnow wewillcleantheclassroomtomorrowwecleanedtheclassroomyesterday 英语中谓语动词有不同时态不同时态与时间状语一致 1 am is are2 do does 1 was were2 did 1 will shall do be2 begoingtodo be be am is are doing be was were doing has havedone been haddone been 1 would do be2 was weregoingtodo be often usually always yesterday ago last now look listen atthattime at8yesterday tomorrow next 复合句中 fortenyears sincetenyearsago bytheendof beforehecamehere复合句 一般现在时 一般过去时 现在进行时 过去进行时 一般将来时 过去将来时 现在完成时 过去完成时 一般现在时 theyarebothatschool helikesbananas butilikeapples 1 mikeandjohn be oftenlateforschool 2 what you get upeverysunday 3 mike like milk he notlike eggs 4 he hishomework do often usually always sometimes everyday onceaweek am is are do does are doget likes doesn tlike doesdo 表示过去某一时刻或某一段时间内发生的动作或存在的状态 一般过去时 yesterday fivehoursago lastweek in1979 justnow youweren tathomewhenicalledyouthreedaysago iwentshoppingyesterday butididn tbuyanything was were 1 mymother be illinbedlastnight 2 he work inthatfactoryin1988 3 lucy go toenglandlastyear no she 4 i see himplayfootballjustnow 5 whatdidyoudo i write tomyfather was worked didgo didn t saw play wrote 谓语动词才有时态 非谓语动词用do doing todo形式 现在进行时 表示说话时正在发生的动作或现阶段在进行的行为 now look listen iamwritingaletternow look theyarewaitingforyou we work onafarmnow listen someone knock atthedoor lucy notread atthemoment wherearethey they run outside am is are doing areworking isknocking isn treading arerunning 过去进行时 表示过去某一时刻或某段时间正在进行的动作 alldayyesterday atthistimeyesterday at8yesterdaymorning myparentswerewatchingtvat8 30yesterdayevening iwasn tdoingmyhomeworkwhenhecame myfamily watch tvat9yesterdayevening i have lunchwhenhecame whilemother cook therewasaknockatthedoor itwas7o clock myfather wash clothes was were doing werewatching washaving wascooking waswashing 一般将来时 表示将来某个时间要发生的动作或存在的状态 也表示将来经常或反复发生的动作 tomorrow nextmonth fromnowon inaweek lateron hewillbebackinanhour heisgoingtobeback theywillholdthesportsmeetingnextweek weshall willmeetattheschoolgate theradiosaysit rain lateron we play footballafterschool tom be sixtynextyear iwonderifshe come heretomorrow 5 wewon tclimbmountainsifit rain tomorrow will shall dobegoingtodo willrain willplay willbe willcome rains if条件状语从句和时间状语从句用一般现在时表将来 过去将来时 表示对于过去某一时间而言将要发生的动作或存在的状态 主要用于宾语从句中 主句谓语之后 1 theradiosaidthatit rain lateron 2 didhesaywhenhe arrive 3 fathertoldmethathe help me 4 theteachertoldusthatthelight travel fasterthanthesound would dowas weregoingtodo wouldrain wouldarrive wouldhelp travels 真理只能用一般现在时 现在完成时 1 表示过去的动作对现在造成的影响或结果 2 表示从过去某一时刻开始持续到现在或将来的动作或状态 fortenyears sincetenyearsago yet already before mrgreenhasworkedinchinaforovertenyears ihaveworkedinchinasince1985 mrbrown work attheschoolfor4years hisfather live inchongqingsince1998 i never visit londonbefore missgreen usenglishlastyear he usforabouttwoyears teach 5 ican tentertheroombecausei lose thekey i lose ityesterdayafternoon have has 过去分词 hasworked haslived havevisited taught hastaught havelost lost 用法 1 现在完成时强调过去对现在的影响 2 而一般过去时强调发生的时间 现在完成时与一般过去时的区别 过去完成时 表示过去某时间前已经发生的动作或状态 by before 过去时间 动作 发生在另一谓语之前bytheendoflastterm beforehecamehere mrbrown work attheschoolfor4yearsbeforehecamehere hesaidhisfather live inchongqingsince1998 she be tothegreatwalltwicebeforeshewas10they score 4goalsbytheendofthematch had 过去分词 hadworked hadlived hadbeen hadscored look they kitesoverthere a flewb flyc areflyingd wereflyingwe tvwhenthetelephone a watched wasringingb werewatching rangc watch ringsd arewatching rang3 i himsincehebegantoliveinthecity a hasknownb knewc knowd haveknownjudy thegreatwalltwice andnowshestill togother