eg. If you had listened to me before, you would not lose your job now.
如果条件句中包含有were、had、should,有时可把if省掉,把were、had、should放在主语前,变成倒装句
介词或介词短语without、but for、thanks to等+名词结构代替if条件句表示虚拟语气
在一些表示建议、愿望、要求、请求、劝告、意志、欲望、命令、安排、决定等动词的宾语从句中,要用虚拟语气
ask/require/request/demand/pray/insist/desire/maintain/propose/suggest/move/urge/advise/recommend/command/order/arrange/decide......
1坚持(要求) insist
2命令 command, order,
3建议 advise, suggest, propose
4要求 demand, ask, require, request
suggest表“暗示、表明”;insist“坚持认为”使用虚拟语气
+(should)+do
It is+表示建议、要求、必要、命令等意思的adj./分词+主语从句的结构中用虚拟语气
分词: ( 建议)proposed,suggested,advised,recommended
(请求)demanded,required,requested
(愿望)desired,decided,insisted
(命令)ordered,commanded
形容词: advisable,desirable, preferable, better, incredible,essential, important, necessary, urgent,possible, probable,natural,strange;(should可译为“竟然”)
也可以是名词: it is a pity, it is a wonder, it is a shame(should可译为“竟然”)
+(should)+do
在一些表示愿望、 建议、 要求、 命令等意义的名词后的表语从句或同位语从句后, 谓语动词要用虚拟语气。
这类名词有: advice, decision, idea, order, plan, proposal, recommendation, suggestion, opinion, requirement, direction, policy:
+(should)+do
wish+宾语从句(多希望...;要是...就好了)
if only 表示愿望(要是...就好了)
as if/as though+从句(仿佛,好像)
would rather/had rather/would sooner/would just as soon/would prefer + 宾语从句
lt' s (high/about) time + 从句
表示是应该做某事的时候了
从句谓语:did/should do(should不可省)
lest/for fear (that)/in case 引导的状语从句,表示担心、忧虑
从句谓语:(should)+do
had + expected/hoped/supposed, etc.引导的宾语从句表示过去未能实现的愿望
宾语从句中谓语动词:would+do