牛津实用英语语法 133 may/might+完成式
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A 用于推测过去的行动:

He maymight have gone.相当于:

It is possible that he wenthas gone./Perhaps he went/has gone

当时他可能去了。

如第132D所述,如果主句的动词是过去时,就必须用might

He saidthought that she might have missed the plane

他说/想她可能已经误了那班飞机。

如不确定性已然消失,必须用 might而不用 may

He came home aloneYou shouldn't have let him do thathe might have got lost

他独自回家了。你本不应当让他那么做的,他可能会迷路的。(但他并未迷路。)

在下一句中也是这样:

You shouldn't have drunk1 the wineit maymight have been drugged

你本不应喝那酒的,里边可能放了药。

it may have been drugged通常表示还不能确定酒里是否放了迷药。

it might have been drugged也可具有与上述相同的含义,但也可能意指现在知道酒里没有迷药。

在叙述最终并未得到检验的事情时用 might而不用 may

Perhaps we should have taken the other roadIt might have been quick- er

也许我们本应当走另一条路。那样可能更快些。

It's a good thing you didn't lend him the moneyYou might never have got it back

你没借给他钱倒是好事。如果你借给了他,就可能永远也要不回来了。

上述这类例句同条件句的第三种类型非常相似:

If we had taken the other road we might have arrived earlier

如果我们当时走了另一条路,就可能到得早一些。

B maymight可用于条件句中以代替willwould,表示一种可能的而不是肯定无疑的结果:

If he sees you he will stop

如果他看见你,他就会停下来。(确定的)

If he sees you he may stop

如果他看见你,他可能停下来。(可能的)

同样, maymight也可用于下列句子当中:

If you poured hot water into itit might crack2

你如果往它里面倒进热水的话,它就可能裂开。

If you had left it there someone might have stolen it

要是你当时把那东西落在那里,就可能有人把它偷走。(参见第223B。)



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1 drunk LuozL6     
adj.醉酒的;(喻)陶醉的;n.酗酒者,醉汉
参考例句:
  • People who drives when they are drunk should be heavily penalised.醉酒驾车的人应受重罚。
  • She found him drunk when she came home at night.她晚上回家时,经常发现他醉醺醺的。
2 crack Cz7x0     
vi.发破裂声;噼啪地响;vt./vi.(使)开裂;破裂;n.裂缝,缝隙;爆裂声,破裂声,劈啪声
参考例句:
  • There's a crack in this cup.这个杯子上有个裂缝。
  • There's a crack on the underneath of the bowl.碗底有一道裂缝。
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