1. 側(cè)重點(diǎn)不同
現(xiàn)在完成時(shí)和一般過(guò)去時(shí)所表示的動(dòng)作都發(fā)生在過(guò)去,但它們所強(qiáng)調(diào)的重點(diǎn)不同:現(xiàn)在完成時(shí)側(cè)重于對(duì)現(xiàn)在的影響;而一般過(guò)去時(shí)側(cè)重于某一動(dòng)作發(fā)生在過(guò)去某個(gè)時(shí)間或某段時(shí)間,即現(xiàn)在完成時(shí)側(cè)重于現(xiàn)在的結(jié)果,而一般過(guò)去時(shí)側(cè)重于動(dòng)作發(fā)生的時(shí)間。例如:
I have seen the film.
我看過(guò)這部電影。(現(xiàn)在我仍記得電影的內(nèi)容)
I saw the film three days ago.
三天前我看了這部電影。(強(qiáng)調(diào)是三天前,而不是別的什么時(shí)候看的電影)
Mr Green has bought a new computer.
格林先生買(mǎi)了一臺(tái)新。(著重點(diǎn)是格林先生現(xiàn)在有了一臺(tái)新)
Mr Green bought a new computer yesterday.
格林先生昨天買(mǎi)了一臺(tái)新電腦。(強(qiáng)調(diào)的是格林先生買(mǎi)新電腦的時(shí)間是昨天)
2. 時(shí)間狀語(yǔ)不同
現(xiàn)在完成時(shí)常與already, yet, just, ever, never, before等副詞以及“for+段時(shí)間”,“since+過(guò)去時(shí)間/從句”等時(shí)間狀語(yǔ)連用;而一般過(guò)去時(shí)則常與&ldquo 初二;段時(shí)間+ago”,just now, yesterday, last week等表示過(guò)去時(shí)間的狀語(yǔ)連用。例如:
She has lived here since two years ago.
她兩年前就住在這里了。
She lived here two years ago.
兩年前她住在這里。
He has been in the League for three years.
他入團(tuán)已經(jīng)三年了。
Tom wrote a letter to his parents last night.
昨晚湯姆給他的父母寫(xiě)了封信。
[實(shí)戰(zhàn)演練]
1. -I have seen the film “Titanic”already.
-When __________ you __________ it?
-The day before yesterday.
A. have; seen B. will; see C. did; see D. did; seen
2. Mr Black __________ in China since five years ago.
A. lived B. has lived C. lives D. is going to live
3. We ____________ trees last Sunday. So far we __________ over 3,000 trees there.
A. planted; planted B. planted; have planted
C. have planted; planted D. have planted; have planted
本文來(lái)自:逍遙右腦記憶 http://m.portlandfoamroofing.com/chuzhong/35639.html
相關(guān)閱讀:above 與 over的用法區(qū)別
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