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托福语法:may/might+完成式

中华考试网   2015-07-10   【

  He may/might have gone.相当于:

  It is possible that he went/hasgone./Perhaps he went/hasgone.

  当时他可能去了。

  如第132节D所述,如果主句的动词是过去时,就必须用might:

  He said/thought thatshe 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 alone.You shouldn't have let him do that;he might have gotlost.

  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'thave drunk the wine;it may/might have been drugged.

  你本不应喝那酒的,里边可能放了药。

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

  it might have beendrugged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 road.It 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 themoney.You might never have got itback.

  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 hadtaken the other road we might have arrivedearlier.

  如果我们当时走了另一条路,就可能到得早一些。

  may/might可用于条件句中以代替will/would,表示一种可能的而不是肯定无疑的结果:

  If he sees you he willstop.

  如果他看见你,他就会停下来。(确定的)

  If he sees you he maystop.

  如果他看见你,他可能停下来。(可能的)

  同样, may/might也可用于下列句子当中:

  If you poured hotwater into it,it might crack.

  你如果往它里面倒进热水的话,它就可能裂开。

  If you had left itthere 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。

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