引用摩友提供的資料:
「過去事實相反」的假設語氣
if+主詞+had+P.P….,主詞+ would/should +have+P.P
If I had had enough time, I would have gone with you.
假如當時我有足夠的時間,我會和你去。
I
36. If the CEO _______ the difficulty in..-阿摩線上測驗