could have done "本来可以……"(表示过去没有实现的可能)。 might have done"本来可能……;本来应该或可以做某事"(实际没有发生;含有轻微的责备语气。 should/ought to have done "本来该做某事"(而实际未做) should not/ought not to have done "本来不该做"(实际却...
“This should have been done earlier. Children nowadayslack adequate physicalactivitiesand canbarely distinguishwheatfromrice crops. Their proficiency (熟练) in life skills...
例1:He was the very person I should have been wished to see. 例2:It’s (high) time that we went to class. 8.用以表示说话人的主观愿望或选择,仅用在一些惯用句型的从句中 例1:I’d rather they came tomorrow. 例2:He’d rather I went to Fuzhou by sea...
2.基本结构:should/would + have + been +现在分词 3.例子:He told me that by the end of the year he would have been living there for thirty years.他告诉我,到年底时,他就在那住了30年了。 高中英语必修三语法知识 使用被动语态应注意的几个问题: ...
答案与解析:have后加had 句意: 要不是下雨,我们昨天会有一次愉快的旅行。对过去的虚拟用should have done结构。 5.He had telephoned to inform me of your birthday,or I would have known nothing about it. 答案与解析:去掉had?or前的句子不是虚拟条件句。
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