【文档说明】《The Present Perfect Tense Section A Grammar focus 》教学课件7-八年级下册新目标英语【人教版】.ppt,共(38)页,2.761 MB,由小喜鸽上传
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能力目标情感目标知识目标复习现在完成时的构成和两种基本用法;1.现在完成时与一般过去时的区别;2.现在完成时中动词延续性的用法。培养学生的竟争意识和团队精神。英语时态不同时间发生的动作,动词要用不同形式。已学习过
的时态名称时间动词形式一般现在时经常,习惯现在进行时正在进行一般将来时打算,计划1.will/shall+v原形2.am/is/aregoingto+v原形一般过去时过去(与现在无关)1.v-ed(规则动词)2.不规则动词过
去进行时过去某一时间,在进行was/were+v-ing1.v原形2.v三单am/is/are+v-ing1.will+v原形2.am/is/aregoingto+v原形1.v-ed(规则动词)2.不规则动词was/were+v-ing①过去发生的动作对现在造成的影响或结果。“
过去对现在”(瞬间动词)hadbreakfastI’mnothungrynownowIhavejusthadmybreakfast.(现在我不饿)②过去已经开始,持续到现在的动作或状态。“过去到现在”(延
续性动词)Ihavelivedhereforthreeyears.Ihavelivedheresince2014/threeyearsago.movedherein2014Istilllivehere1.动作已经发生。2.没有具体的时间状语。3.强调
结果。现在完成时的谓语构成:助动词否定haven’thasn’t疑问Haveyou……?Hashe……?have/has+v过去分词1.肯定句:主语+助动词have(has)+过去分词”+其它2.否定句:主语+haven’t(hasn’t)+过去分词+其它。3.
疑问句:Have/Has+主语+过去分词+其它?肯定回答:Yes,sb.+have(has).否定回答:No,sb.+haven’t(hasn’t).I,finish,homeworkIhaven’tfinishedmy
homework.Haveyoufinishedyourhomework?Ihavefinishedmyhomework.Yes,Ihave./No,Ihaven’t.动词的过去分词的构成:1.规则动词的过去分词和过去式一致;2.不规则动词的变化形式没有规律,需
要记忆。(详见教材最后一页)常用的有:finish--live--carry--stop—finished--finishedlived--livedcarried--carriedstopped--st
oppedbe-was,were-beensee-saw-seenleave-letf-leftbring-brought-broughtbuy-bought-boughttake-took-takenfind-f
ound-foundmake-made-madehave-had-hadwin-won-wongo-went-gonegive-gave-givenkeep-kept-keptbegin—began--begundo/does-did-doneread—read--readWhoca
nsaythepasttenseandpastparticiplequickly?beseeleavebringbuytakefindmakehavewingogivekeepbegindoreadWritethefor
msofthepasttenseandpastparticiple:buy_____________carry_______________________see____________decide_______________________find____________le
ave____________tell___________go____________take____________work_______________________start_______________________stop_______________________bo
ughtboughtsawseenfoundfoundleftlefttoldtoldwentgonetooktakencarriedcarrieddecideddecidedworkedworkedstartedstartedstoppe
dstopped•现在完成时表示过去发生或已经完成的动作对现在造成的影响或结果,或从过去开始一直延续到现在的动作,强调的是现在的情况,不能和表示过去的时间状语连用(如yesterday,lastSunday等)。•一般过去时只表示过去的动作或状态,和现在不发
生关系(即动作或状态在现在已经结束),它可以和表示过去的时间状语连用。现在完成时与一般过去时的区别:have/has+V过去分词—______you___yourhomeworkyet?—Yes.I_____itanhourago.A.Did;do;finishedB.H
ave;done;finishedC.Have;done;havefinishedD.will;do;finish—Tom,______youever______thatnewfilm?—Yes.I______itaweekago.
A.have;seen;sawB.have;seen;seeC.do;see;seeD.had;seen;saw(四川广安)以前(before)从来不(never)出现,最近(recently)曾经(ever)一(once)两遍(twice),自从(since)长达(for一
段),(already)已经(yet)很明显。注:1.already常用于肯定句中,放在have/has后或句末。yet常用于疑问句或否定句中,可置于句首或句末。注:2.since+(1)(过去的)月份/年份,例如:since1998.since+(2)一段时间+ago,例如:sincethree
yearsago.since+(3)一般过去时从句,例如:sincehecamehere.示例:1.Ihavelivedherefor9years.2.HaveyoueverseenMr.Green’swife?3.Wehaveneve
rbeentherebefore.4.HasTomhadhislunchyet?5.Maryhasreadthebooktwice.6.Hehasalreadyfinishedhishomework.7.Ihavehadthisbikesincet
hreeyearsago.8.Shehasownedthetoybearsinceshewasababy.1.—Chinadevelopssofast.—That’strue.It_____alotalready.(安
徽芜湖)A.changesB.changedC.willchangeD.haschanged2、ZhaoLan______already______inthisschoolfortwoyears.A.was;studyingB.will;studyC.has;studiedD.are;stud
ying3、We______XiaoLisinceshewasalittlegirl.A.knowB.hadknownC.haveknownD.knew4、HarryPotterisaverynicefilm.I_______i
ttwice.A.willseeB.haveseenC.sawD.see5.—IsRichardstilllivinghere?—No,he______toParisalready.A.hadmovedB.movedC.wil
lmoveD.hasmoved(四川绵阳)6.—TheAmazingSpiderMan2isonthesedays.It’sfantastic.—Really?ButI______ityet.A.didn’tseeB.won’tsee
C.haven’tseenD.amnotseeing(浙江湖州)7.—WhatareyougoingtodothisSunday?—I_____yet.(绍兴市)A.won’tdecideB.didn’tdecideC.hav
en’tdecidedD.don’tdecide(1)来(come)、去(go)、到达(getto/reach/arriveat/in)、离开(leave)、与死亡(die)(2)买(buy)、卖(sell)、开(open)、关(close)、(3)开始(
begin/start)、参加(join)、变成(become)与完成(finish)1.瞬间动词又叫非延续性动词。初中阶段常见的瞬间动词有:2.瞬间动词可以用于现在完成时态中,但不可以接一段时间(否定句可以)。
Thedoghasdied.Thedoghasdiedfortwoweeks.×Thedoghasbeendeadfortwoweeks.若要接一段时间,则须改为延续性动词或表示状态的词如:die----bedeadbuy-----h
ave/keepleave----beawayborrow----have/keepbegin/start-----beoncomeback----bebackjoin----beamemberofopen----beopen1.Hisuncle____
_formorethan9years.A.hascomehereB.hasstartedtoworkC.haslivedthereD.haslefttheuniversity2、Theoldman_______lastyear.He______________forayear.(di
e)(用所给动词的适当形式填空)diedhasbeendead3、MissGaoleftanhourago.(同义句转换)MissGao_________________foranhour.hasbeenaw
ay1.—Howlonghaveyoubuyyourbike?—Formorethan9year.2.Jennyhasleftherhometownsinceshewasababy.hadbeenawayhavebeento与havegonet
o的区别1.have(has)beento意为“曾经去过某地”,表示现在已经不在那里了。如:I’vejustbeentothepostoffice.我刚才去邮局了。HaveyoueverbeentoKunmi
ng?你曾经去过昆明吗?I’vebeentoBeijingthreetimes.我去过北京三次。2.have(has)goneto意为“到某地去了”,表示到了某地或正在去某地的途中。总之说话时该人不在现场,一般不用第一、第二人称代词作句子的主语。如:—WhereisTom?汤姆在哪里?—
Hehasgonetothebookshop.他到书店去了。()【湖北黄冈】—WhereisTom?Wecan’tfindhimanywhere.—Perhapshe_____home.A.hasgoneB.isgoi
ngC.wentD.wasgoingMissGreenisn'tintheoffice.she_____tothelibrary.A.hasgoneB.wentC.willgoD.hasbeenThePresen
tperfecttense含义句型结构过去分词提示词延续/非延续动词现在完成时Summary教师寄语:HomeworkYoumust:Finishthepapertest.