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should的用法
should的用法
■表示“應(yīng)該,應(yīng)當(dāng)”
He should work harder. 他應(yīng)該更加努力。
You should help your mother with the housework. 你應(yīng)該幫你母親做家務(wù)。
Crime should be punished. 犯罪應(yīng)受懲罰。
Should I wear a coat?我要穿大衣嗎?
■表示“可能,該(=will probably) ”
He should arrive soon他可能很快就到了。
The train should have already left. 火車大概已經(jīng)走了。
■表示“萬(wàn)一”
If it should rain tomorrow, don’t expect me. 萬(wàn)一明天下雨,就不要等我了。
■表示“竟然”
It’s strange that he should be late. 真奇怪,他竟會(huì)遲到。
■表示粗暴地拒絕一項(xiàng)建議、要求或指示
—What time does the film start? 電影什么時(shí)候開始?
—How should I know? 我怎么知道?
—Ann’s very unhappy. 安非常不高興。
—Why should I care? 這管我什么事?
—Could your wife help us in the office tomorrow? 你妻子明天能到辦公室來(lái)幫幫我們嗎?
—Why should she? She doesn’t work for you. 她為什么就該去? 她又不是為你們工作的。
■should加完成式:should have done表示“本應(yīng)該做某事,但事實(shí)上卻沒有做”;shouldn’t have done表示“本不該做某事,但事實(shí)上卻做了”。如:
You should have got up earlier. 你本應(yīng)該早點(diǎn)起的。
You shouldn’t have told him about it. 你本不該把這件事告訴他的.。
■should與ought to的比較
(1) 除表示“萬(wàn)一”“竟然”等只能用should外,表示“應(yīng)該,應(yīng)當(dāng)”“可能”等,兩者可互換,只是ought to的語(yǔ)氣稍重。如:
You ought to/should work harder than that. 你應(yīng)當(dāng)更努力地工作
She ought to/should finish it by next week. 下星期她可能完成了。
You ought to/should have told him about it earlier. 你本應(yīng)該早點(diǎn)把這件事告訴他的。
You oughtn’t to/shouldn’t have wasted time like that. 你本不該像那樣浪費(fèi)時(shí)間的。
(2) should 強(qiáng)調(diào)主觀看法,而 ought to 強(qiáng)調(diào)客觀要求。如:
We ought to go and see my mother in hospital tomorrow, but I don’t think we will. 我們按理應(yīng)當(dāng)在明天去看看住院的母親的,但我主認(rèn)為我們不會(huì)去。
(3) 在公告、須知或條例中,出于禮貌,常用should。如:
You shouldn’t run alongside the swimming pool. 不準(zhǔn)在游泳池邊奔跑。
(4) 在虛擬語(yǔ)氣中只能用should。如(from www.hxen.com):
He suggested that I should go there. 他建議我去那里。
(5) 注意ought to的否定式與疑問式。如:
You ought not to do it. 你不應(yīng)該做此事。
—Ought he to start now? 他現(xiàn)在該動(dòng)身了嗎?
—Yes, he ought (to) . 是的,該動(dòng)身了。
They ought to go now, oughtn’t they?他們現(xiàn)在該走了,對(duì)嗎?
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