UNIT3THEINTERNETGRAMMAR課件人教版高中英語必修第二冊

Unit3THEINTERNETGrammar:ThePresentPerfectPassiveVoiceIhaveoftentakenpicturesofthelittlegirlsinceImetherTheyhaverunmanytimessincetheyenterhighschool.1.WehaveseenthemovieFastandFurious8already.2.ShehaslearnedEnglishsinceshewasfive.3.TherearecountlessarticlestellingushowtheInternethasmadeourlivesmoreconvenient.4.ButtheInternethasdonemuchmoreforpeoplethansimplymakelifemoreconvenient.5.Hercompanyhasbecomequitesuccessful.6.JanhasstartedtakingonlineclassestolearnmoreabouthowtousetheInternettomakesocietybetter.現(xiàn)在完成時現(xiàn)在完成時定義結(jié)構(gòu)句型1表示

開始，一直持續(xù)到

的動作。

過去現(xiàn)在現(xiàn)在完成時概念1：for:后接一段時間，如threeyears,alongtime…e.g.Ihaveknownyouforalongtime.since:自從…后接過去的時間點/動作e.g.Ihavenotseenhimsincewemetlastweek.AB常用的時間狀語有：I_____________English____________________.2.我已經(jīng)學(xué)了10多年的英語。havelearnedfor

overtenyears1.我認(rèn)識李雷三年了.I’veknownLiLei_______________.______________________.for

threeyearssince

threeyearsagoPractice:Finishthesentences2表示

發(fā)生的或

的動作對

造成的

。Pastpresent過去已完成現(xiàn)在影響或結(jié)果e.g.1.I

havejustopened

thedoor.

(Thedoorisnotclosednow.）

現(xiàn)在完成時概念2：常用的時間狀語有：◆常與不確定的時間狀語連用，如:thesedays,uptonow,bynow,lately,already,never,ever,just,yet,before,recently,sofar,inthepastfewyears等,表示“到目前為止”所發(fā)生的動作.e.g.

1）JaneandMike

have

read

HarryPottermanytimes.

2）Mikehasbeen

toDisneylandtwice.

發(fā)生過若干次3.現(xiàn)在完成時用于談?wù)?/p>

的事情.現(xiàn)在完成時概念3：never,twice,threetimes,manytimes等常用的時間狀語有：現(xiàn)在完成時謂語動詞的構(gòu)成

1have/has和以前一樣選擇：當(dāng)主語是____________

用has,

用have第三人稱單數(shù)其他人稱2done在現(xiàn)在完成時中叫

，原型是do/does。過去分詞have/has+done現(xiàn)在完成時的基本句型現(xiàn)在完成時(ActiveVoice)肯定式have/hasdone否定式have/hasnotdone一般疑問句have/has+主+done？特殊疑問句疑問詞-have/has+主+done？句型轉(zhuǎn)換。1.Ihavewaitedherefortwohours.2.Shehasn’ttoldusthenewsyet.3.Hastherainalreadystopped?4.Shehasdoneherhomework.5.HehaslivedinShangHaisinceheleftBeijing.動詞填空：

1._____you________(clean)theroom?Yes,we__________(do)thatalready.When_______you______(do)it?We_______(do)itanhourago.2.______he______(see)thisfilmyet?Yes.When_____he_____(see)it?He______itlastweek.3.Howmanytimes_____you______(be)there?

HavecleanedhavedonediddodidHasseendidseesawhavebeen下一頁上一頁主菜單4.I__________(read)thenoveltwice.It’sinteresting.5.She_________(go)toParis,hasn’tshe?Yes.How______she_______(go)there?She_______(go)therebyair.6.Sofar,manycountries_______________(develop)theirsoftwareprograms.7.MrChen______(give)upsmokinglastyear.8.MrChen__________(give)upsmokingsincelastyear.havereadhasgonedidgowenthavedevelopedgavehasgiven下一頁上一頁主菜單15TranslatethemintoEnglish.1.你以前做過風(fēng)箏嗎?2.我從來沒有見過這么奇怪的人．3.到現(xiàn)在你學(xué)了多少英語單詞?4.這部電影他已經(jīng)看過5遍了.5.最近有沒有讀一些有趣的書?6.自從她搬到上海以后,我就沒見過她.Haveyoumadeakitebefore?I’veneverseensuchastrangeman.HowmanyEnglishwordshaveyoulearnedsofar?Hehasalreadyseenthisfilm5times.Haveyoureadanyinterestingbooksrecently?Ihaven’tmethersinceshemovedtoShanghai.

被動語態(tài)構(gòu)成：be＋及物動詞的過去分詞。用法：(1)動作的執(zhí)行者不知道是誰或難以說明時常用被動語態(tài)，

(2)當(dāng)強調(diào)動作的承受者時,用被動語態(tài),如:Streetlightsareoftenturnedonatsixinwinter.Thiskindofbicycleisnotsoldinourshop現(xiàn)在完成時+被動語態(tài)=？Discovering現(xiàn)在完成時(PassiveVoice)肯定式have/hasbeen

done否定式have/hasnotbeendone一般疑問句have/has+主語+been

done特殊疑問句特殊疑問詞+have/has+主語+been

doneHehasconfirmedtheupdatednews.Passivevoice:Theupdatednewshasbeenconfirmedbyhim.Theupdatednewshasnotbeenconfirmedbyhim.Hastheupdatednewsbeenconfirmedbyhim?Whathasbeenconfirmedbyhim?主動態(tài)被動態(tài)一般現(xiàn)在時一般過去時一般將來時現(xiàn)在進行時過去進行時現(xiàn)在完成時過去完成時時態(tài)語態(tài)do/doesam/is/are+done

didwas/were+doneshall/willdoshall/will+bedoneam/is/aredoingam/is/are+beingdonewas/weredoingwas/were+beingdonehas/havedonehas/have+beendonehaddonehad+beendone①ThefirstsubwaytocrosstheYangtzeRiver.第一條橫穿長江的地鐵已經(jīng)開工。(肯定式)②Whenandwheretospendourholidayyet.我們還沒決定何時去何地度假。(否定式)③theconstructionoftheunderwatertunnel?水下隧道的建造完工了嗎?(一般疑問式)④partsofGansuProvincebystrongwindsandheavysnowfallinthepasttwodays?在過去的兩天里,甘肅省的什么地方受到了大風(fēng)和大雪侵襲?(特殊疑問式)hasbeenstartedhasn’tbeendecidedHasbeenfinishedWhathavebeenhit[實戰(zhàn)演練]Ⅰ.單句填空1.Whenyougetthepapersback,payspecialattentiontowhat

(mark).

2.Inrecentyearsmanysportsclubs

(run)tomakeaprofit.

3.IwanttobuythiskindofclothbecauseI

(tell)thattheclothwasheswell.

4.Overthepasttenyears,thistown

(hit)twicebyearthquakes.

hasbeenmarkedhavebeenrunhavebeentoldhasbeenhit5.Alotofdamage

(cause)byasnowstormwhichhitthenorthofthecountrylastnight.

6.Ilikethesesongsverymuchwhich

(teach)recentlyontheradio.

7.Whenandwhereourprofessorwillgiveusalecture________________________(notdecide)yet.

8.Greatchanges

(take)placeinmyhometownsince2016.

hasbeencaused

havebeenta