假設語氣 ,老師未教完(會更新)


假設語氣: If + s +.........., s+..............

                     (條件句)      ,    (主要子句)

*文法
➀與過去事實相反過去完成式
If+S+had(過去式)Vpp..,S+ would +have+p.p
                         could 
                         might 
                         should

Ex:If i had had money last year, i would have bought that car.



➁與現在事實相反過去式

If+S+V(were)...,S+ would +V...                            
                   could 
                   might 
                   should



Ex:1.If i went there now, I should see her.
   2.If i were you, i wouldn't do that.


➂對未來的假設

1.極可能實現

2.不可能實現(萬一)If+s+should+V,S+will+V
                                 can 
                                 shall
                                 might

Ex:If i should study abroad, i will go to Japan.

3.即將到臨的未來
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