⑤(2013·北京高考改编)If we had booked a table earlier, we wouldn't be standing here in a queue.
如果我们早些预订餐桌,现在就不会站在这里排队了。
三、虚拟语气的其他用法
1.虚拟语气在主语从句中的用法
在It is demanded/necessary/a pity ...+that ...等结构的主语从句中,谓语动词用"(should+)do",其中should可省略。
It is 可用的三类词 that (should)+do suggested, ordered, required, demanded, requested, proposed, desired等 important, necessary, natural, strange等 a pity, a shame等 It is suggested that the meeting (should) be put off.
有人建议推迟这个会议。
It is necessary that the problem (should) be discussed at once.
立刻讨论这个问题很有必要。
2.虚拟语气在表语从句和同位语从句中的用法
在suggestion, proposal, order, plan, idea, advice, decision等需要有内涵的名词后面的表语从句、同位语从句中,要使用虚拟语气。其谓语动词应用"(should+)do",其中should 可以省略。
My suggestion is that we (should) go and help him at once.
我的建议是我们应该立刻去帮助他。
It is our idea that she (should) go to America for further education.
我们的看法是她应该去美国进修。
3.虚拟语气在状语从句中的用法
(1)在as if/though引导的状语从句中,谓语动词用过去式表示与现在相反;用过去完成式表示与过去相反等。
as if/as
though 时间 谓语动词的虚拟形式 与过去相反 had+过去分词 与现在相反 一般过去时(be动词用were) 与将来相反 would/could/might+动词原形