11.虚拟语气用在It is +名词+that的主语从句中
在It is +名词+that的主语从句中,常用虚拟语气,表示建议、命令、请求、道歉、怀疑、惊奇等。这类名词
有:advice ,decision ,desire ,demand ,idea,motion ,
order,pity ,preference ,proposal,recommendation ,
requirement,resolution,shame,suggestion,surprise, wish,wonder等。
It is my proposal that he be sent to study further abroad.我建议派他去国外进一步学习。
12.虚拟语气用在表语从句或同位语从句中。
当某些表示建议、请求、命令等主观意向的名词作主语时,其后的表语从句或同位语从句需用虚拟语气,其表达形式为should +动词原形或直接用动词原形。这类名词常见的有:advice,suggestion,proposal,order, demand,desire,request,requirement,recommendation以及plan,idea,resolution等。
We are all for your proposal that the discussion be put off.我们都赞成你提出的将讨论延期的建议。
The suggestion that the mayor present the prizes was accepted by everyone.由市长颁发奖金的建议被每个人接受。
13.虚拟语气用在It is(about /high)time +that定语从句中
在It is(about/high)time +that定语从句中需用虚拟语气,表示“该做……的时候了”,其动词形式用一般过去时或should +动词原形。
It's already 5 o'clock now.Don't you think it's about time we went home?现在已经5点钟了,你不认为我们应该回家了吗?
注:①在this is the first time /second time that.……句型中,从句中谓语动词用陈述语气完成时态。例如:
Is this the first time that you have visited Hongkong?这是你第一次参观香港吗?
②It's time to do something有别于It's timethat.……
14.虚拟语气用在as if(as though)引导的方式状语从句中。
在as if(as though)引导的方式状语从句中,常用虚拟语气,其动词形式与wish后接宾语从句中的形式相同。
Alan talked about Rome as if he were a Roman.艾伦谈起罗马来好像他是个罗马人一样。
15.虚拟语气用在lest,for fear that及in case引导的目的状语从句中。
在由lest等引导的目的状语从句中需用虚拟语气,表示“以防,以免”等意思,其谓语动词多由should +动词原形构成,should也可省略。
He was punished lest he should make the same mistake again.他被处以惩罚以免他再犯。
16.虚拟语气的其他用法
在表示客气、遗憾以及祝愿等场合中,使用虚拟语气。
You shouldn't have been following him so closely; you should have kept your distance.你不应该一直这样紧紧地跟着他,而该和他保持一定的距离。