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第一类型虚拟语气 B
见某些形容词要虚拟
Urgent， necessary， important， possible， essential， incredible， natural， ridiculous， vital， imperative， crucial， critical， proper， compulsory， etc.
形容词带的从句 ： It is important that every member (should) inform himself of these rules.
主语从句 ： It is decided that the meeting (should) be postponed.
宾语从句 ： He insisted that his daughter (should) come.
表语从句 ： The doctor's advice is that the patient (should) be kept quiet.
同位语从句 ： He gave order that the guests (should) be hospitably entertained.
考题 ： They demanded that the right to vote——(give) to every adult person. [(should) be given]
For a child to give up less mature idea for a more sophisticate one， it requires that the child ____ psychologically ready for the new idea.
A.is B.be C.were D.would be
第二类型 ： if 的非真实条件句 ( 可能性小或没有可能 )
注意 ： if 可以引导真实条件句 ， 多是条件状语从句 .
第二类型虚拟语气 ( 时态到推的概念 )
第二类型虚拟语气举例省略 if 的倒装
were， had ， should.
If the doctor had been available， the child would have been saved.
Had the doctor been available， the child would have been saved.
考题 ：
_____for your help， I would not have overcome the psychological pressures and tensions.
A. Had it not been B. not been C. Without being D. not having been
特殊虚拟
Even if 形式上与 if 相同
Wish 形式上大体与 if 从句相同
从句谓语与 Wish 同时 Wish+ 主语 +V.ed/were
I wish I were as young as you.
从句谓语发生 Wish 之前 多用 Wish+ 主语 +had done(been)
I wish that he had not made so much trouble.
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