(5)在“as if/as though”引导的状语从句中,谓语动词与wish的宾语从句的虚拟形式相同。如: He works with such enthusiasm as if he never knew fatigue. 他这样地热情工作,好像从来不知道疲倦似的。 He speaks English as though he were an American. 他说英语好像他是美国人一样。 3.含蓄条件句 有时假设的情况并不以条件从句表示,而是暗含在上下文中,比如通过介词短语来表示。 But for your advice,I could not have done it so successfully. 要是没有你的建议,我就不会那么成功。 The change could not have taken place without the opendoor policy. 要是没有开放政策,就没有这些变化。 I was so busy then,otherwise,I would have gone to help him. 那时我太忙了,否则我就去帮他了。 4.虚拟语气在某些从句中的应用 (1)在wish,suggest,order,demand,propose,command,request,require,insist,desire,urge等动词的宾语从句以及would rather后,要用“(should+)动词原形”来表示愿望、建议、命令、要求等;由上述动词派生或转化的名词的同位语从句或表语从句中也要用相应的虚拟形式。像suggestion,proposal,plan,recommendation,demand,order,desire,request,requirement,insistence,advice,decision等词。 (2)在“It is/was+某些形容词/过去分词+that从句”句型中,that从句中的谓语动词常用虚拟语气,即“should+动词原形”,表示“惊奇、遗憾、怀疑、不满”等。这些形容词有important,necessary,essential,natural,strange,advisable,desirable,possible,probable,astonishing,surprising,desired,suggested,requested,recommended,ordered,proposed,decided,moved等。 (3)在由for fear that,in case,lest等引导的状语从句中,用“should+动词原形”表示“唯恐”。如: He handled the instrument with care for fear that it should be damaged. 他小心地拿着仪器,唯恐把它摔碎了。 (4)在“It is(about/high)time+that(从句)”中,谓语动词常用过去式表示虚拟语气。如: It is high time that people learnt English. 正是人们学英语的时候。 |