2023学年完整公开课版完成时态

现在完成时

PresentPerfectTense

Unit8HaveyoureadTreasureIslandyet?Didyouspendtimewithyourmom?Mandy&MomIhavefinished

.Ihavecleaned

.Ihavemade

.

Ihavefinished

.Ihavecleaned

.Ihavemade

.

allmyhomeworkalltheroomssomedeliciousfoodPresentPerfectTense(现在完成时)MandysaidIhavefinishedallmyhomework.SoIcanrelaxnow.Ihavecleaned

alltherooms.Now,theroomsareclean.Ihavemade

somedeliciousfood.Somomcanenjoythefoodnow.I

made

somefood.Momcanenjoyitnow.nowpast现在完成时表示_____发生的事情对______造成的影响或结果。过去现在Ihavemade

somedeliciousfoodformom.探索一：现在完成时的基本结构Ihavefinishedallmyhomework.I

havecleanedalltherooms.Ihavemadesomedeliciousfood.基本结构：主语+have+过去分词+其它

Mandy(have/has)finished

allherhomework.She

madesomedeliciousfood.She

cleaned

alltherooms.hashashas现在完成时：主语+have/has+过去分词+其它

第三人称单数Trytofindtherule.finishfinished

finished

动词原形过去式过去分词

规则变化-edcleancleaned

cleaned

makemademade不规则变化

Henot

hasTheyhavecleanedalltherooms.探索二：现在完成时的句型转换

思考否定句在_____________后面加not。

notfinishedhishomework.

have或has

havenot=haven’thasnot=hasn’t探索二：现在完成时的句型转换

They

havecleanedalltherooms.He

has

finishedallhishomework.

Have?theyHas

?he思考一般疑问句把______________调到主语前面,回答时，也要使用_______________.

have或has

have或has—Yes,theyhave./No,theyhaven’t.—Yes,hehas.—No,hehasn’t.1.肯定句：主语+have/has+过去分词(+其他)2.否定句：主语+have/has+not+过去分词(+其他)3.一般疑问句：Have/Has+主语+过去分词(+其他)Yes,主+have/hasNo,主+haven't/hasn't句式：探索三：现在完成时的标志词Whatarethekeywordsforthepresentperfecttense?与不确定的时间状语连用：already（肯）,yet（否、疑）,just,ever,never,before,for+一段时间，since+过去时间点since+一般过去时A:Ihavealreadyfinishedmyhomework.Haveyoufinishedyourhomeworkyet?B:No,Ihaven’tfinishedityet.现在完成时标志词：already,yet意思句型

already

yet“已经”肯定句“已经”一般疑问句“还（没）”否定句

E.g.Jimhas

already

finishedhiswork.（肯定句）

我们已经把教室打扫干净了。我们还没把教室打扫干净。你们已经把教室打扫干净了吗？We__________________upourclassroom.We______________upourclassroom_____._______________upyourclassroom_____?←（否定句）Jimhasn’tfinishedhisworkyet.←（一般疑问句）

HasJimfinishedhisworkyet?举一反三havealreadycleanedhaven’tcleanedyetHaveyoucleanedyet用already或yet填空：Ihavenotfinishedmyhomework______.Hehas________workedinthecityforeightyears.Haveyouseenthenewmovie_______?Stop!yetalreadyyet自从2016年我就学习英语了。IhavestudiedEnglishsince2016.我在这个学校长达2年多了。I’vebeenatthisschoolforovertwoyears.汤姆和爱丽丝已经结婚10年了。TomandAlicehavebeenmarriedfor10years.

2.表示动作或状态从过去某一时刻开始，一直延续到现在，而且可能还要继续下去。1.for+时间段2.since+时间点（过去）since+从句（常用一般过去时）since和for用法1.I’veknowLiLei_____tenyears.2.Ihavelivedhere_____2002.3.Themeetinghasbeenon____anhourago.5.Shehastaughtus______Icametotheschool.6.It’sabouttenyears______helefthishome.Fillintheblankswith“since”and“for”.forsincesincesincesince1.I

already

(see)thefilm.

WeiHua

(come)yet?Yes,she

(come)already.

you

(buy)adictionaryyet?Yes,I.4.Yourfather

just

(finish)hiswork.5.Mr.Brownhasworkedherefor5years.(对划线部分提问）6.IhavealreadywatchedtheTVplay.(改为否定句）7.Tomhasalreadyfinisheddoinghishomework.(改为一般疑问句）8.Sallysawthefilmlastweek。（改为现在完成时）1.我看过这个电影。Ihaveseenthisfilm.2.自从我五岁我就学习弹钢琴了。IhavelearnttoplaythepianosinceIwasfiveyearsold.

3.Alice认识他五年了。Alicehasknownhimforfiveyears.4.这雨已经停了。Therainhasalreadystopped.这雨还没有停。Therainhasn'tstoppedyet.这雨已经停了吗？Hastherainstoppedyet?用所给词的适当形式填空：1.—_______yourbrother_______(leave)Shanghaiyet?—Yes,he_______.2.—When_______you________(buy)thedress?—Twoweeksago.Stop!Haslefthasdidbuy比较：1.Mike:Whatdidyoudolastweekend?Jenny:Isawanewmovie.

(只谈论上周末做的事情，不涉及现在)2.M:Wouldyouliketoseethemoviewithme?J:Thanksforyourinviting,butIhaveseenitalready.

(影响：因为已经看过了，所以现在不去看了)一般过去时现在完成时用法不同只表示过去的动作或状态(不涉及现在)表示过去发生的事情对现在造成的影响或结果(与现在有联系)Ihavevisitedmygrandparentsyesterday.Hehasfinishedhisworktwodaysago.时间状语不同yesterday,lastweek,…ago,justnowWhen…?…already,yet,ever,never,for,since…（注：不能与表示过去的时间状语连用）××综合提升1.—When______Tom______(leave)hisoffice?—He______aboutfiveminutesago.2.I______thebookclublastweekandI______twobooksalready.A.join;readB.joined;readC.joined;havereadD.joined;hasread

didleaveleft【即学即练】

1A：When__he__(go)toBeijing,tomorroworthedayaftertomorrow?B：Buthe________(go)toBeijing.he_______(go)thereforaweek.2A：When__he____(go)toBeijing,lastweekortwoweeksago?B：buthe________(notgo)toBeijingHe____(go)thereinaweek.1.Jim______(make)manyfriendssincehe______(come)toChina.2.They______(know)eachotherforabouttenyears.3.He______already______(write)alettertothefactorytoaskthemtostopmakingnoise.4.—When______she______(leave)?—Twohoursago.5.—______you______(see)thefilmbefore?—Yes,I______.—Where______you______(see)it?—AtTheQueen’sCinema.hasmadecamehaveknownhaswrittendidleaveHaveseenhavedidsee6.I

thecakelastnight.(eat)7.He

thefilmtenyearsago.(see)8.I

anewbookyesterday.(buy)9．He

(tell)ussomethingaboutAmericayesterday.10.Tom

(make)somemistakesinhistest.11.Thetrain

already

(arrive).12.Jane

(send)meadictionarythedaybeforeyesterday.13.They

(ask)metothankyourmotherjustnow.atesawboughttoldmadehasarrivedsentasked1.We___________already___________(copy)thesewords.2..Jim_______________(just,watch)afootballmatch.Heissotiredandhungry.3.___________youever_____________(travel)onatrain?4.---______they_______(see)thefilmyet?---Yes.They_____________(see)italready.----When______they______(see)it?----They_______(see)itjustnow.5.Bill(notfind)_______________hiswatchyet.6.I

(live)inBeijingsince2001.Iamnothungry.I(justhave)________________mydinnerI

（go）tothezoowithmyfamilyyesterday.1.A:Wouldyoulikesomethingtodrink?B:No,thanks.______________________.(just/drinksometea)2.A:Iheardyoulostyourkey.____________________?(find)B:No,notyet.3.A:DoyouknowwhenTomisleaving?B:____________________.(already/leave)4aUsethewordsinbracketstocompletetheconversations.(P60)I’vejustdrunksometeaHaveyoufoundityetHehasalreadyleftA:When________________?(leave)B:Thismorning.4.A:Isyoursistergoingtothemovieswithustonight?B:No.___________________________.(already/seethefilm)5.A:Whatdoyourparentsthinkaboutourplan?B:I____________________________.(not/tellthem/yet)didheleaveShehasalreadyseenthefilmhaven’ttoldthemyet4bFillintheblankswiththecorrectformsofthewordsinbrackets.loveshasread温馨提示：确认时间标志，用对时态结构！Sally _______(love)reading.Inthemorning,shereadsthenewspaperandintheeveningshereadsbooks.She_____already ______(read)morethan100differentbooks!Herfavoritekindofbooksissciencefiction.Sheisinterestedinscienceandtechnologyandlovestoimaginewillbefinishedwillwrite温馨提示：确认时间标志，用对时态结构！hasn’treadwhattheworld _______(be)likein50years.She__________(finish)readingabookaboutrobotslastweekand_____________ (write)abookreportaboutitnextweekforherFrenchclass.Everytimesheisinthelibrary,Sallylooksatthemanybooksshe_____________(notread)yetandshecan’twaittoreadthem!

can’twaittodosth迫不及待做某事1.转换为相应的延续性动词，用于现在完成时。

borrow—buy—puton—catchacold—gettoknow—gettosleep—非延续性动词和延续性动词之间的转换keep

have

wearhaveacoldknowsleep2.转化为“be+形容词/副词/介词/名词”

begin/start— goout— close— open— getto/arrive/reach— die— leave—beonbeoutbeclosedbeopen

be(in)bedead

beawayfinish—fallsleep—join—become—makefriends—come/go/—beoverbeasleep

bein/beamemberofbebefriendsbe+相应的介词短语have/hasbeen(to)

表示某人“去过某地”，已经回来。侧重指经历。have/hasgone(to)

表示某人“已经到某地去了”，某人去了某地还没回来

have/hasbeenin表示某人来到/到达/在某地一段时间了你哥哥参军多长时间了？Howlonghasyourbrotherbeeninthearmy？Howlonghasyourbrotherbeenasoldier?他去过美国他到美国去了他去美国两年了

1.肯定句：Ihavealready

finishedmywork.否定句：Ihaven’tfinishedmywork