人教版（2019）必修第二冊(cè)Unit 3 The Internet Discovering Useful Structures語(yǔ)法課件

Unit3InternetDiscoveringUsefulStructuresLead-in歌詞中的語(yǔ)法，你發(fā)現(xiàn)了嗎？Goodbyetoyoumytrustedfriend別了朋友，我的摯友We'veknoweachothersincewewerenineorten我們已相識(shí)很久，那時(shí)我們還是孩子Togetherwe'veclimbedhillsandtrees我們?cè)黄鹋肋^(guò)無(wú)數(shù)山丘、樹叢LearnedofloveandABC's一起學(xué)會(huì)了愛(ài)，還有許多等等Skinnedourheartsandskinnedourknees也曾一起傷過(guò)心，一起破過(guò)皮Goodbyemyfriendit'shardtodie別了，我的朋友，友情是不死的.Lead-in歌詞中的語(yǔ)法，你發(fā)現(xiàn)了嗎？Goodbyetoyoumytrustedfriend別了朋友，我的摯友We'veknowneachothersincewewerenineorten我們已相識(shí)很久，那時(shí)我們還是孩子Togetherwe'veclimbedhillsandtrees我們?cè)黄鹋肋^(guò)無(wú)數(shù)山丘、樹叢LearnedofloveandABC's一起學(xué)會(huì)了愛(ài)，還有許多等等Skinnedourheartsandskinnedourknees也曾一起傷過(guò)心，一起破過(guò)皮Goodbyemyfriendit'shardtodie別了，我的朋友，友情是不死的.現(xiàn)在完成時(shí)

表示

發(fā)生的或

的動(dòng)作對(duì)

造成的

?，F(xiàn)在完成時(shí)概念：過(guò)去已完成現(xiàn)在影響或結(jié)果e.g.

Ihavefinishedthehomework.

作業(yè)現(xiàn)在已經(jīng)做完了。常用的時(shí)間狀語(yǔ)有：◆常與不確定的時(shí)間狀語(yǔ)連用，如:

uptonow,bynow,lately,already,since,eversince,just,yet,before,recently,sofar,inthepast/lastfewyears等,表示“到目前為止”所發(fā)生的動(dòng)作.

現(xiàn)在完成時(shí)謂語(yǔ)動(dòng)詞的構(gòu)成

have/has+done1.have&has當(dāng)主語(yǔ)是

用has;當(dāng)主語(yǔ)是

用have。第三人稱單數(shù)其他人稱2.done在現(xiàn)在完成時(shí)中叫___________除不規(guī)則變化外，一般情況加ed

過(guò)去分詞語(yǔ)法導(dǎo)學(xué)感知句子，完成方框下的小題一名敵人被擊殺。Anenemyhasbeenslained.我方隊(duì)友被擊殺。Anally

hasbeenslained.你被擊殺了。Youhavebeenslained.1.以上句子中所使用的時(shí)態(tài)和語(yǔ)態(tài)是

。2.現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的構(gòu)成為：

?，F(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)have/hasbeen＋過(guò)去分詞現(xiàn)在完成時(shí)與現(xiàn)在完成時(shí)被動(dòng)語(yǔ)態(tài)的動(dòng)詞形式找出下面句子的謂語(yǔ)結(jié)構(gòu)，哪些是主動(dòng)？哪些是被動(dòng)？Jan’slifehasbeengreatlyimprovedbytheInternet.TheInternethasgreatlyimprovedJan’slife.PeoplehavewrittenmuchaboutthewondersoftheWorldWideWeb.MuchhasbeenwrittenaboutthewondersoftheWorldWideWeb.被動(dòng)主動(dòng)主動(dòng)被動(dòng)

現(xiàn)在完成時(shí)謂語(yǔ)結(jié)構(gòu)

主動(dòng)被動(dòng)have/hasdonehave/hasbeendone......已經(jīng)被......一、現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài)的常用句式肯定式主語(yǔ)＋have/hasbeendone...否定式主語(yǔ)＋have/hasnotbeendone...一般疑問(wèn)式Have/Has＋主語(yǔ)＋beendone...？特殊疑問(wèn)式疑問(wèn)詞＋have/has＋主語(yǔ)＋beendone...？Anewnetworkhasbeensetup.一個(gè)新的網(wǎng)絡(luò)已經(jīng)建立起來(lái)了。ToTom’sdisappointment，hisnovelhasnotbeenpublished.讓湯姆失望的是，他的小說(shuō)還沒(méi)有被出版。練習(xí)Tomhasinvitedthesingeralready.Thesingerhasbeeninvited(byTom)already.Thesingerhasnotbeeninvited(byTom)yet.Hasthesingerbeeninvited(byTom)yet?Whohasbeeninvited(byTom)?

被動(dòng)否定一般疑問(wèn)對(duì)賓語(yǔ)提問(wèn)1.Thebuildinghassetupforseveralyears.2.Thewindowshavebeenbroke.3.Aterriblethinghasbeenhappenedtoher.4.Jimhascaughtbythepolice.beenbrokenbeenPresentperfectpassivevoice改錯(cuò)：即學(xué)即練1.Ihavedownloadedthesoftwaretohelpmyphonebatterylastlonger.2.Someonehaslostanidentitycard.3.HaveyouconfirmedtheWi-Fipassword?4.Hasanyonemadeacommentabouttheonlinedatabase?Thesoftwarehasbeendownloadedtohelpmyphonebatterylastlonger.A