虚拟语气常见句型.docx

1、虚拟语气常见句型1对过去的虚拟If sb. had done sth，sb. would have done sth2.对现在的虚拟If sb. did sth，sb. would do sth3.对将来的虚拟If sb. did sth，sb. would do sthIf sb. were to dosth, sb. would do sthIf sb. should do sth，sb. would do sth4.错综虚拟条件 句（if+过去完成 时，sb. would do sth）If the doctor had come sooner lastnight,Tomwould be

2、alivetoday.If youhadstudied hard atthat time，youwould be akeyuniversitystudent now.5虚拟条件句，从句可以省略if,但谓语动词要 局部倒装.6.含蓄虚拟条件 句标志性词汇: without （如果 没有）,but for （要不是）, otherwise/or （否那么）*if条件句可以 与 without/but for互相转换，意 思一样。7.表示建议要求 命令等动词以 及相应的名词 引导的名词性 从句，通常跟 should 构造.Insist/suggest/ad vise/command/or der/u

3、rge/recommend/require/requ est/propose that sb. should do sth *insist 做认 为讲时,相当于 think, 不用should 构造.Suggest 做“暗 示,说明讲时, 相当于imply,不 用should构造.8常见的should 构造句型TVs necessary/natura 1 /important/vital/ essential（关键 的，至关重要而 /probable （很可 能）/ advisable/desirable（明智的，可取的）/strange/surprising/fimny| that sb.

4、should do sthIt is a pity/ a shame/ nowonder that sb.should do sth.9. wish+宾语从句，要用虚拟语气.Wish that sb. had done sth（对过去虚拟）Wish that sb. didsth （对现在虚拟）Wish that sb.would do sth（对将来虚拟）10.would rather后的虚拟语气 只有两种句型:would rather sb. did sth（对现在和将来虚 拟）would rather sb. had done sth（对过去虚拟）11.If only.!（虚拟语气）12.as asthough如果表示与事实相反 的情况，要用虚 拟语气.as if sb. did sth（对现在虚拟）.as if sb. had done sth（对过去虚拟）.as if sb woulddo sth（对将来虚拟）13.Ithigh/abouttime+虚拟语气It is high/about time that sb. did sth.It is high/about time that sb. should do sth （不 能省略）