5) would like to have done sth表示本打算做某事,但没做。例如:
I would like to have read the article, but I was very busy then. 我想读这篇文章,但太忙了一直没读。
17.8 21.8 should 和ought to
除了上述的用法,两者还可表示想必一定,按理应该的意思。例如:
I ought to be able to live on my salary. 靠我的薪水,想必也能维持了。
It ought to be ready now. 想必现在准备好了吧。
They should be there by now, I think. 现在他们该到那儿了。
The poems should be out in a month at most. 诗集估计最多还有一个月就要出版了。
21.9 had better表示最好,相当于一个助动词,它只有一种形式,它后面要跟动词原形。例如:
It is pretty cold. Youd better put on my coat. 天相当冷。你最好穿上我的外套。
Shed better not play with the dog. 她最好不要玩耍那条狗。
had better have done sth表示与事实相反的结果,意为本来最好。例如:
You had better have come earlier. 你本该来得早一点。
21.10 would rather表示宁愿
would rather do
would rather not do
would rather than 宁愿而不愿。
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