Why should you be so late today ? 你今天怎么来得这么晚?
When I went out, whom should I meet but my old friend Xiao Li ! 当我出去时,想不到竟会碰见我的老朋友小李!
I don't see any reason why he shouldn't be happy.
我不明白为什么他居然不愉快。
六 . should 作为情态动词,可以用来表示有较大可能实现的猜测、推论,通常译为可能、总该吧,相当于 be expected to .例如:
They should be home by now, I think. 我想现在他们总该到家了吧。
The report was written after a careful investigation, so it should be reliable.
这份报告是经过周密调查后才写成的,所以应该是可靠的。
七 . should 作为情态动词,用在由 so that, for fear that, lest 引导的目的状语从句和 in case (that) 引导的条件状语从句中,有能够、可能、会之意。例如:
They got up early so that they should (= could/ might) catch the first bus in time.
他们起得很早以便能及时赶上头班公交车。
He is working hared for fear that he should fall behind others.
他努力工作,唯恐落在别人后面。
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