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如何快速掌握英語(yǔ)語(yǔ)法

日期:2012/11/19 14:03:09 來(lái)源：本站原創(chuàng ) 訪(fǎng)問(wèn)量：次
譯為“其實(shí)沒(méi)必要……”。如：
You needn’t have come over yourself.
As it turned out to be a small house party, we so formally.
[A] needn’t dress up [B]did not need have dressed up
[C] did not need dress up [D] needn’t have dressed up
(沒(méi)有必要穿的那么正式，體現是說(shuō)話(huà)者的建議，實(shí)際結果是否真的穿的很正式?jīng)]有確定，答案為D)
2）should have +過(guò)去分詞，表示應該做某事但實(shí)際上未做，譯為“本應該……”should not + have過(guò)去分詞表示本不應該做某事但實(shí)際上做了，譯為“本不應該……”。如：
I regret having left the work unfinished; I should have planned everything ahead carefully.
我本來(lái)應該事先認真地把每件事情規劃的很好，但實(shí)際上作者還是沒(méi)有規劃好，以至工作沒(méi)有完成。
3) ought to have +過(guò)去分詞，表示動(dòng)作按理該發(fā)生了，但實(shí)際上未發(fā)生，譯為“該……”，與should 的完成式含義類(lèi)似。如：
Ｔhe porter ought to have called the fire-brigade as soon as he saw the fire in the stock, which went up in smoke .
4) could have +過(guò)去分詞，表示過(guò)去本來(lái)可以做但卻未做，譯為“完全可以……”。這點(diǎn)與ought/should/ have +過(guò)去分詞用法相似。如：
What you said is right, but you could have phrased it more tactfully.
5) may/ might have +過(guò)去分詞，表示過(guò)去可以做但實(shí)際未做，譯為“（那樣）也許會(huì )……”。如：
It might have been better to include more punchy statistics and photos of equipment in the introduction to further assist first-time office automation managers.
二．幾個(gè)情態(tài)動(dòng)詞�？嫉木湫停�
1)．may/might (just) as well “不妨，最好”

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