資源描述:
《現(xiàn)在完成時(shí)態(tài)》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、現(xiàn)在完成時(shí)態(tài)1.??????用法:①過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果:強(qiáng)調(diào)結(jié)果例:YesterdayIfinishedmyhomework,that’stosay,Ihavefinishedmyhomeworknow.②過(guò)去已經(jīng)開(kāi)始一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài):強(qiáng)調(diào)繼續(xù)例:Ihavelivedheresince1990.2.??????現(xiàn)在完成時(shí)的構(gòu)成havehas+過(guò)去分詞3.??????現(xiàn)在完成時(shí)的四個(gè)基本句型肯定句Hehasfinishedthework.一般疑問(wèn)句Hashefinishedthework?否定句Hehasnotfinishedthework.兩回答Yes
2、,hehas.No,hehasn’t.特殊疑問(wèn)句Whathashedone?4.??????在下列情形下用現(xiàn)在完成時(shí)1九詞語(yǔ)①already已經(jīng)肯定句中或句尾例:Ihavealreadyfoundmypen.=Ihavefoundmypenalready.②yet已經(jīng)否定句和疑問(wèn)句句尾例:Ihavenotfinishedtheworkyet.Haveyouboughtacomputeryet?③ever曾經(jīng)句中例:Haveyoueverseenpandas?④never從不句中例:IhaveneverbeentoBeijing.⑤just剛剛句中例:Ihavejustdonemy
3、work.⑥before以前句尾例:Ihaveneverbeentherebefore.⑦sofar到目前為止例:Sofarhehaslearnt200words.⑧howlong多久例:Howlonghaveyoulivedhere?⑨howmanytimes多少次例:HowmanytimeshashebeentoBeijing?2兩詞組havegoneto去了某地例:HehasgonetoBeijing(去了北京)havebeento去過(guò)某地例:HehasbeentoBeijing.(去過(guò)北京)3兩結(jié)構(gòu)fortwomonthsfor+一段時(shí)間Jimhasl
4、ivedherefor2months.sincelastyearsince+過(guò)去點(diǎn)時(shí)間LucyhasbeeninBeijingsince3yearsago.since3yearsagosince1990sincehecameheresince+過(guò)去時(shí)態(tài)句子HehasbeeninChinasincehecamehere.4如果句子里面沒(méi)有時(shí)間狀語(yǔ),漢語(yǔ)意思能夠加“已經(jīng)”,往往用現(xiàn)在完成時(shí)態(tài)。例:Haveyoulostyourlibrarybook?你已經(jīng)弄丟了從圖書(shū)館借的那本書(shū)嗎?5現(xiàn)在完成時(shí)態(tài)還常常用于下列句型Theyhaveplantedmanytreesinthelastfe
5、wyears.在過(guò)去的幾年,他們已經(jīng)種了很多樹(shù)。ThisisthebestbookIhaveeverread.這是我曾經(jīng)讀過(guò)的最好的一本書(shū)。ItisthefirsttimeIhaveplayedthecomputergames.這是我第一次玩電腦游戲。5.??????在現(xiàn)在完成時(shí)中,一次性動(dòng)詞不能和一段時(shí)間狀語(yǔ)連用例:Hehasboughtthebookfor3years.(錯(cuò))因buy這個(gè)一次性動(dòng)詞不能和一段時(shí)間for3years連用,改正的辦法有五種:①Hehasboughtthebook..(去掉一段時(shí)間for3years)②Heboughtthebook3yearsago
6、(改為一般過(guò)去時(shí),使句子的意思不變)③It’s3yearssinceheboughtthebook.=3yearshaspassedsinceheboughtthebook.(改為固定句型Itis---since---)④Hehasnotboughtthebookfor3years.(改為否定句)⑤Hehashadthebookfor3years.(用延續(xù)性動(dòng)詞have代替buy)6.??????還有其他一次性動(dòng)詞也是這種情況,可參照前面的五種辦法改正,前四種改法都一樣,第五種改法各不相同,舉例如下:①come/arrive/getto/reach→behere例:Ihaveco
7、meherefor3years.(錯(cuò))改為:Ihavebeenherefor3years.②leave/go→beaway例:Hehasleftfor3hours.(錯(cuò))改為:Hehasbeenawayfor3hours.③begin/start→beon例:Thefilmhasbegunfor3minutes.(錯(cuò))改為:Thefilmhasbeenonfor3minutes.④open→beopen/close→beclosed例:Theshophasopenedfor3ye