现在完成时课件牛津深圳版英语八年级下册

语法-

现在完成时目录01030204现在完成时动词结构现在完成时定义现在完成时标志词现在完成时句式变化现在完成时定义PARTONE现在完成时定义判断句子的时态。1.李清照正在揽镜自照。2.辛弃疾每天都要舞剑。3.明天可能要下雨。4.凌泳镱已经离校。5.我已经在广州住了7年了。6.你们已经集中上课上了三个月。现在进行时一般现在时一般将来时一般过去时现在完成时现在完成时现在完成时定义判断句子的时态。5.我已经在广州住了7年了。6.你们已经集中上课上了三个月。

定义⑴表示过去的动作持续到了现在，并且可能一直持续下去。现在完成时现在完成时过去现在将来现在完成时定义

定义⑴表示过去的动作持续到了现在，并且可能一直持续下去。

(2)表示过去的动作对现在产生了影响。过去现在现在完成时

动词结构PARTTWO现在完成时动词结构1.IhavelivedinGuangzhouforsevenyears.

我已经在广州住了7年。2.YouhavehadlessonssinceJuly.

你们从7月就开始上课了。3.ZhuYilonghasalreadyseenthefilmLostintheStars.

朱一龙已经看过了电影《消失的她》。4.LiuYuninghasbeenfamousandmanypeoplelikehim.刘宇宁已经出名了，并且很多人喜欢他。

⑴主语(复数\I\You)+have+过去分词+其他

⑵主语(三单)+has+过去分词+其他过去分词的变化规则1.动词词尾直接+ed

pass-passed-passed;watch-watched-watched;pick-picked-picked;talk-talked-talked2.以e结尾，直接+d

like-liked-liked;dance-danced-danced;invite-invited-invited;live-lived-lived过去分词的变化规则3.重读闭音节结尾的，双写末尾+ed

shop-shopped-shopped;stop-stopped-stopped;plan-planned-planned;prefer-preferred-referred4.以辅音字母+y结尾的，先改y为i，再+edstudy-studied-studied;cry-cried-cried;carry-carried-carried;try-tried-tried过去分词的变化规则4.以辅音字母+y结尾的，先改y为i，再+ed

study-studied-studied;cry-cried-cried;carry-carried-carried;try-tried-tried5.以元音字母+y结尾的，直接+edplay-played-played;enjoy-enjoyed-enjoyed6.不规则变化

is\am-was-been;have\has-had-had;do\does-did-done;see-saw-seen过去分词的变化规则【小练】talkedstudiedsmiledtalkedstudiedsmiledmademadeknewknownleftleftcriedcriedcleanedcleanedgrewgrownhadhadwasbeensawseenboughtboughtplayedplayedbroughtbroughtcame过去分词的变化规则【小练】()1.Theyhave______herefortwelvemonths.A.liveB.livingC.livesD.lived()2.Hehas_______thefilmyet.A.seesB.seeingC.sawD.seen()3.Doris_____lostherkey,soshecan’tenterherhouse.A.haveB.hasC.hadD.havingDCB现在完成时

标志词PARTTHREE过去分词的标志词1.Ihavealreadyfinishedmytask.2.DianahaslivedinGuangzhouforelevenyears.3.TomandJerryhavelearnedChinesesincesixyearsago.4.Sofar,DorishasbeentoJapantwice.5.Dorishasseenthemovieaboutdinosaursyet.6.Ihaveeatenmuchbreadinthepastfiveyears.7.ThethiefhaseverbeentoJapan？过去分词的标志词1.单个①already(已经)②yet(尚未)③ever(曾经)④never(从未)⑤recently(最近)⑥before(之前)⑦just(仅仅，只)过去分词的标志词2.短语

sofar(目前为止)

sincethen(自那以后)

inthepast+数字+years(过去几年里)inrecentyears(在近几年)过去分词的标志词3.时间for+一段时间since+时间点Eg.2.DianahaslivedinGuangzhouforelevenyears.Eg.3.TomandJerryhavelearnedChinesesincesixyearsago.

过去分词的标志词3.时间for+一段时间since+时间点【小练】填空1._______threeyearsago2._______elevenmonths3._______Iwas12yearsold4._______alongtime5._______20206._______lastSunday

sinceforsincesincesincefor过去分词的标志词3.时间for+一段时间since+时间点TomandJerryhavelearnedChinesesinceIwaseightyearsold.

主句+\since+从句

现在完成时一般过去时现在完成时动词结构【小练】()1.Thismuseum________hereforover80years.

It______oneoftheoldestbuildingsinthiscity.A．is;was

B．hadbeen;is

C．was;hasbeen

D．hasbeen;is()2.TheTVplayAllIsWell

theheartsofmanypeoplesinceitsfirstshowmonthsago.A.winsB.wonC.haswonD.willwin()3.Ilikehistory,soI________toHunanMuseumtwice.A．havebeenB．hasgoneC．wentD.willgoDDA现在完成时动词结构CDB现在完成时动词结构【小练】()7.--Isawthelightoftheclassroomwasstillonearlythismorning.

--Oh,mygod!I

toturnoffthelightyesterday.A.forgetB.amforgetting

C.forgotD.haveforgotten()8.Ioften

totheCapitalLibraryatweekends.A.goB.wentC.willgoD.havegone()9.Mr.Smith________Chinesefortwoyears.He’smuchbetteratitnow.A．learnsB．waslearningC．haslearnedD．willlearnCAC现在完成时

句式变化PARTFOUR过去分词的句式变化1.Studentshavelearned

Chinesesince2012.

否定句：Studentshaven’tlearnedChinesesince2012.一般疑问句：HavestudentslearnedChinesesince2012?肯定回答：Yes,theyhave.否定回答：No,theyhaven’t.特殊疑问句：Whathavestudentslearnedsince2012?过去分词的句式变化2.Dorishaslearned

Chinesesince2012.

否定句：Dorishasn’tlearnedChinesesince2012.一般疑问句：HasDorislearnedChinesesince2012?肯定回答：Yes,shehas.否定回答：No,shehasn’t.特殊疑问句：WhathasDorislearnedsince2012?过去分词的句式变化

肯定句：