Unit+4+Information+technology語(yǔ)法現(xiàn)在完成進(jìn)行時(shí) 高中英語(yǔ)北師大版（2019）必修第二冊(cè)

高中語(yǔ)法現(xiàn)在完成進(jìn)行時(shí)學(xué)習(xí)目標(biāo)：1.學(xué)習(xí)現(xiàn)在完成進(jìn)行時(shí)的概念，結(jié)構(gòu)，以及用法。2.對(duì)比學(xué)習(xí)現(xiàn)在完成時(shí)和現(xiàn)在完成進(jìn)行時(shí)的區(qū)別。Leadin挑戰(zhàn)一下，翻譯以下句子：1.Ihavewrittenabook.Itwasfinishedlastyear.2.Hasyourfatherlosthiskeys?3.Whohaseatenmydinner?

思考回憶：標(biāo)紅處是啥時(shí)態(tài)？咋翻譯？have/has是“有”的含義嗎？時(shí)態(tài)助動(dòng)詞Ihavegotaheadache.Nowonder.Youhavebeenworkinginfrontofthecomputertoolong.Leadin思考：女生work是從何時(shí)開(kāi)始的？現(xiàn)在還在繼續(xù)嗎？怎么理解翻譯havebeenworking

？Thepresentperfectcontinuoustense現(xiàn)在完成進(jìn)行時(shí)Presentationcontinue

pastfuturenowdiddohavebeendoingdo現(xiàn)在完成進(jìn)行時(shí)Definition:thepresentperfectcontinuousmeansanactionstartedfromthepast,andthencontinuethatactiontothepresent,maybeitwillcontinueinthefuture.現(xiàn)在完成進(jìn)行時(shí)表示一個(gè)由過(guò)去某一時(shí)間開(kāi)始一直延續(xù)到現(xiàn)在的動(dòng)作，這動(dòng)作有可能剛剛結(jié)束，也可能還要進(jìn)行下去。have/hasdonebedoing

have/hasbeendoing挑戰(zhàn)一下，將句子變形。1.Shehaswrittenabook.2.否定句：________________________.3.一般疑問(wèn)句：__________________________?思考：現(xiàn)完進(jìn)：have/hasbeendoing的句子如何變形？肯定句:

Ihavebeenworking.She

hasbeenworking.否定句:

I________________working.

He______________working.疑問(wèn)句:______________working?

______________working?

have/has時(shí)態(tài)助動(dòng)詞have

notbeen(haven’t)has

notbeen(hasn’t)

Have

Ibeen

Has

shebeen總結(jié)：have/has時(shí)態(tài)助動(dòng)詞，句式圍繞have/has變換！1.I

_____________________(feel)rathertiredlatelyandI______________________(sleep)verywell.have

beenfeelinghaven’tbeensleeping2.Whatbook_____________________(read)recently?haveyoubeenreading用法一：敘述“最近”一直從事的工作或活動(dòng)。經(jīng)常與

lately,recently的時(shí)間狀語(yǔ)連用.PracticeandLearnNow，完成學(xué)案1,2,4,5,6,7題4.We___________________(study)ontheInternet

sincemid-August.havebeenstudying九江市柴桑區(qū)第一中學(xué)蔡欽

5.Toisolate(孤立，隔絕)the2019-ncov,somepeople_________________(stay)atthehotelalreadyforaweek.

havebeenstaying用法二：敘述某一動(dòng)作從過(guò)去開(kāi)始一直繼續(xù)到現(xiàn)在仍在繼續(xù)之中，可能還要繼續(xù)下去的動(dòng)作。

經(jīng)常與“for+段時(shí)間”或“since+點(diǎn)時(shí)間"的時(shí)間狀語(yǔ)連用.PracticeandLearn

6.Youarehere!I________________(lookfor)youalltheday!havebeenlooking

for

7.Mom_____________(do)houseworkallday.hasbeendoing用法三：敘述從過(guò)去某時(shí)開(kāi)始一直繼續(xù)到現(xiàn)在，但不再繼續(xù)下去的事情。帶有濃厚的感情色彩，強(qiáng)調(diào)持續(xù)了“那么久”或做得“那么辛苦”。經(jīng)常與alltheday，allthetime時(shí)間狀語(yǔ)連用.PracticeandLearn體會(huì)三種情況下的三個(gè)句子，你會(huì)發(fā)現(xiàn)：主語(yǔ)的動(dòng)作均是在_______發(fā)生，持續(xù)到_____，要么______下去，要么不再_______.1.I

have

beenfeeling

(feel)rathertiredlately.4.Wehavebeenstudying(study)ontheInternet

sincemid-August.7.Momhasbeendoing

(do)houseworkallday.

SummaryandComparison（總結(jié)對(duì)比）繼續(xù)過(guò)去現(xiàn)在繼續(xù)挑戰(zhàn)一下，翻譯句子：那句話的飯有剩余??？1.Whohaseatenmydinner?

2.Whohasbeeneatingmydinner?(已吃光)(一直在吃，還有剩下的)區(qū)別1：現(xiàn)在完成時(shí)著重結(jié)果；現(xiàn)在完成進(jìn)行時(shí)強(qiáng)調(diào)動(dòng)作的持續(xù)性,暫時(shí)性和未完成性。Compare：現(xiàn)在完成進(jìn)行時(shí)&現(xiàn)在完成時(shí)挑戰(zhàn)一下，翻譯句子：那句話中有感情色彩？3.Recently,Jackhasbeendoinghiswork.4.Recently,Jackhasdonehiswork.(陳述事實(shí))(贊許)區(qū)別2.現(xiàn)在完成進(jìn)行時(shí)含有明顯的感情色彩，現(xiàn)在完成時(shí)往往只說(shuō)明一個(gè)事實(shí)，一種影響或結(jié)果，沒(méi)有感情色彩。Compare：現(xiàn)在完成進(jìn)行時(shí)&現(xiàn)在完成時(shí)體會(huì)現(xiàn)完進(jìn)的感情色彩1.Thestudentshavebeenpreparing

fortheexam.2.Myfatherhasalwaysbeenlosinghiskeys.(贊許)(責(zé)備，無(wú)奈)用所給詞的適當(dāng)形式填空1.I

(teach)formorethan13years.

2.I__________________(drink)fivecupsofcoffeethisafternoon.3.Iwon’ttellthestudenttheanswertothemathsproblemuntilhe

(work)onitformorethananhour.

havebeenteachinghasbeenworking

havedrunkExercises九江市柴桑區(qū)第一中學(xué)蔡欽單句改錯(cuò)1.Alltheseyearstheyarecontributingarticlestoourmagazine.2.WhathaveyoubeendoneinBeijing?hav