郭岱宗（英文系副教授）

一、假設語氣複習

1.假設語氣只能用於「全無可能」的情況

之下。

2.假設語氣的文法變化如下：

動詞往過去退一步（假設現在的狀況，用過去式）

（假設過去的狀況，用過去完成式had+P.P.）

（未來難以絕對預料，不能用正統的假設語氣，所以用Should放在動詞前面，表示「居然……」的口氣）

二、運用練習：

現在假設

如果我有時間，我就會去。

↑ ↑

have改為had will改為would

If I had time, I would go.（但是我現在沒有時間，所以用假設）

過去假設

我昨天如果有時間，就會去了。

↑ ↑

had 改為 had had Would go 改為would have gone

If I had had time yesterday, I would have gone.

（但是我昨天沒有時間，所以用假設）

未來假設

明天如果太陽從西邊出來，我就嫁給你。

↑ ↑

rise改為should rise will改為would(也是往過去式進一步）

If the sun should rise from the west tomor row, I would marry you.

三、文法→片語練習題

1.如果我有那個知識和技術，我就會教你了

↑ ↑ ↑

have改為had know-how will改為would

（現在假設）

2.如果我生在富裕之家，今天的我就不一樣了

↑過去假設 ↑

born with a silver spoon will be different 改

↑ in my mouth. 為would be diffent

（現在假設）

was born 改為had been born

（過去假設）

（過去假設＋現在假設）

3.這些參加者來自各行各業。

↑ ↑

participant all walks of life

（普通語態）

4.我多麼希望我唱歌不會走音。

↑ ↑

How I wish can carry a tune

↑

can改為could

（現在假設）

5.我希望我昨天沒笑場！

↑

keep a straight face

↑

本來過去式是kept因為是假設語氣，所以改為had kept.

（但是忍不住，還是笑場了，很尷尬）

四、答案

1.If I had the know-how, I would teach you.

2.If I had been born with a silver spoon in my mouth, I would be different today.

3.Those participants come from all walks of life.

4.How I wish I could carry a tune.

5.I wish I had kept a straight face yesterday.