第一類型虛擬語氣 B
見某些形容詞要虛擬
Urgent， necessary， important， possible， essential， incredible， natural， ridiculous， vital， imperative， crucial， critical， proper， compulsory， etc.
形容詞帶的從句 ： It is important that every member （should） inform himself of these rules.
主語從句 ： It is decided that the meeting （should） be postponed.
賓語從句 ： He insisted that his daughter （should） come.
表語從句 ： The doctor’s advice is that the patient （should） be kept quiet.
同位語從句 ： He gave order that the guests （should） be hospitably entertained.
考題 ： 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. 華夏大地教育網博客j/JE~r6q X
A.is B.be C.were D.would be
第二類型 ： if 的非真實條件句 （ 可能性小或沒有可能 ）
注意 ： if 可以引導真實條件句 ， 多是條件狀語從句 .
第二類型虛擬語氣 （ 時態到推的概念 ）
If + 從句 主句
與現在事實相反 If+ 主語 .+ were華夏大地教育網博客.aJ.G`6f0|]
+ V.ed
主語 + should + V.華夏大地教育網博客f,t"_8wY7e
+would + V.華夏大地教育網博客 DFZ;R9~+Hk@
+could + V.
#xV,Fkl9{）x0
與過去事實相反 If+ 主語 .+ had+ done
K）A6O9u/xZ0 + been
主語 + should + have+ p.p.
qCH%k*e B0 +would + have+p.p.華夏大地教育網博客/bh B`M
+could + have+ p.p.華夏大地教育網博客g5X3Po F:I8|#C &H
+ might+ have+ p.p.
與將來事實相反 If+ 主語 .
U}（F DlDE^0 + were to do/be華夏大地教育網博客]s,kF3QN0k
+should do/be
主語 + should + V.
N K2tw~V4AvO0 +would + V.
|-kPS%f0 +could + V.
1fpmV K9c1?0 +might+ V.
第二類型虛擬語氣舉例省略 if 的倒裝
5~/F！V dE%t k }.n0were， 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.
考題 ：
_____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
特殊虛擬
Even if 形式上與 if 相同
Wish 形式上大體與 if 從句相同
從句謂語與 Wish 同時 Wish+ 主語 +V.ed/were
I wish I were as young as you.
從句謂語發生 Wish 之前 多用 Wish+ 主語 +had done（been）
I wish that he had not made so much trouble.
