打字猴:1.70492677e+09
1704926770
1704926771 be able to还可用在非谓语形式中:
1704926772
1704926773 She hoped to be able to do something for you.她希望能为你做点儿什么。
1704926774
1704926775 He felt bad for not being able to lend a hand.他因不能帮忙感到遗憾。
1704926776
1704926777 She watched all this happen, not being able to do anything.她眼看着这一切发生却毫无办法。
1704926778
1704926779 在上面这些情况下,can和could都是没法用的。
1704926780
1704926781 除了表示“能够”,can, could还有一些其他用法,是不能用be able to代替的。这些用法主要是表示:
1704926782
1704926783 可能性(可译为“可以”、“可能”):
1704926784
1704926785 We can call for you at nine.我们可以9点钟来叫你。
1704926786
1704926787 I’m like that—you can’t alter me.我就是这样,你不可能改变我。
1704926788
1704926789 He said he couldn’t come.他说他不可能来。
1704926790
1704926791 It was so dark that we could see nothing.天是那样黑,我们什么也看不见。
1704926792
1704926793 允许(可译为“可以”、“能”):
1704926794
1704926795 Can I come in?我可以进来吗?
1704926796
1704926797 You can’t smoke here.这里你不能抽烟。
1704926798
1704926799 I asked if I could use her phone.我问可否用她的电话。
1704926800
1704926801 I knew I couldn’t stay here.我知道我不能待在那儿。
1704926802
1704926803 请求(可译为“可否”,用could显得更委婉):
1704926804
1704926805 Could you lend me some money?你可否借我点儿钱?(比Can you…更客气点儿)
1704926806
1704926807 Could I borrow your thermos?我可否借用一下你的暖瓶?(比Can I…稍客气点儿)
1704926808
1704926809 Could I have some more tea?我能再要一点儿茶吗?(也可用Can I…)
1704926810
1704926811 有时会:
1704926812
1704926813 Children can be very tiring.孩子有时很令人头疼。
1704926814
1704926815 In winter, the winds can be pretty cold.冬天风有时很冷。
1704926816
1704926817 Mary could be pretty naughty when she was a child.玛丽小时候有时很调皮。
1704926818
1704926819 不相信或惊异(多用于否定句或疑问句):
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