这些句型一律使用should + 原形动词的结构,should可以省略,如4)5)10)题。
注意It is strange/surprising/unbelievable that 句型中如果表示过去的事情可以用should have done 的形式,如:
It is strange that he should have failed in the election.
④ wish
wish 后面的从句时态可以有以下几种情况
表示与现在事实相反用一般过去时:
How I wish I had a memory as good as yours.
表示与现在正在进行的事情相反可用过去进行时,如3)。
表示与过去事实相反的情况用过去完成时,也可以用could have done 的形式,如:
I wish I ____ longer this morning, but I had to get up and come to class.
A.could have slept B.slept
C.might have slept D.have slept
由于might表示也许,与这里的意思不合,只能用A。
表示将来不可能实现的情况用would/might + 原形动词。
How I wish you would be able to come here for another visit.
⑤ If only 表示愿望时与wish用法相同。再如:
If only that photograph werent missing.
If only the letter had arrived in time.
P
⑥ would rather
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