虚拟语气常见句型.docx
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虚拟语气常见句型
1.对过去的虚拟
Ifsb.haddonesth,sb.wouldhavedonesth
2.对现在的虚拟
Ifsb.didsth,sb.woulddosth
3.对将来的虚拟
Ifsb.didsth,sb.woulddosth
Ifsb.weretodosth,sb.woulddosth
Ifsb.shoulddosth,sb.woulddosth
4.错综虚拟条件句(if+过去完成时,sb.woulddosth)
Ifthedoctorhadcomesoonerlastnight,Tomwouldbealivetoday.
Ifyouhadstudiedhardatthattime,youwouldbeakeyuniversitystudentnow.
5.虚拟条件句,从句可以省略if,但谓语动词要部分倒装.
6.含蓄虚拟条件句标志性词汇:
without(如果没有),butfor(要不是),otherwise/or(否则)
***if条件句可以与without/butfor互相转换,意思相同。
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结构.
Insist/suggest/advise/command/order/urge/recommend/require/request/proposethatsb.shoulddosth
***insist做“认为”讲时,相当于think,不用should结构.
Suggest做“暗示,表明”讲时,相当于imply,不用should结构.
8.常见的should结构句型
It’snecessary/natural
/important/vital/essential(关键的,至关重要的)
/probable(很可能)/
advisable/desirable(明智的,可取的)
/strange/surprising/funnythatsb.shoulddosth
Itisapity/ashame/nowonderthatsb.shoulddosth.
9.wish+宾语从句,要用虚拟语气.
Wishthatsb.haddonesth
(对过去虚拟)
Wishthatsb.didsth(对现在虚拟)
Wishthatsb.woulddosth
(对将来虚拟)
10.wouldrather后的虚拟语气只有两种句型:
wouldrathersb.didsth
(对现在和将来虚拟)
wouldrathersb.haddonesth
(对过去虚拟)
11.Ifonly…!
(虚拟语气)
12.asif/asthough如果表示与事实相反的情况,要用虚拟语气.
…asifsb.didsth(对现在虚拟)
…asifsb.haddonesth
(对过去虚拟)
…asifsb.woulddosth
(对将来虚拟)
13.Itishigh/abouttime+虚拟语气
Itishigh/abouttimethatsb.didsth.
Itishigh/abouttimethatsb.shoulddosth(不能省略)