虛擬語(yǔ)氣表示說(shuō)話人所說(shuō)的話不是事實(shí)，而是一種假設(shè)、愿望、懷疑或推測(cè)。虛擬語(yǔ)氣主要用于if條件狀語(yǔ)從句，也可用于主語(yǔ)從句、表語(yǔ)從句、賓語(yǔ)從句等。以下是小編整理的內(nèi)容，大家可以參考。

虛擬語(yǔ)氣的用法歸納

1、表示與現(xiàn)在事實(shí)相反的情況

從句：If+主語(yǔ)+動(dòng)詞一般過(guò)去時(shí)(Be動(dòng)詞用were)

主句：主語(yǔ)+ should/would/might/could+do：

eg：If I were you，I would take an umbrella.

如果我是你，我會(huì)帶把傘。(事實(shí)：我不可能是你)

2、表示與過(guò)去事實(shí)相反的情況

從句：If+主語(yǔ)+had+done

主句：主語(yǔ)+should/would/might/could+have done

eg：If I had got there earlier，I should/would have met her.

如果我早到那兒，我就會(huì)見到她。(事實(shí)：去晚了)

3、表示與將來(lái)事實(shí)相反

從句：①if+主語(yǔ)+were to do

②if+主語(yǔ)+should+do

③if+主語(yǔ)+動(dòng)詞一般過(guò)去式(be動(dòng)詞用were)

主句：主語(yǔ)+should/would/might/could+do

eg：If she were to be here next Monday，I would tell her about the matter.

如果她下周一來(lái)這兒的話，我就會(huì)告訴她這件事的始末。(事實(shí)：來(lái)的可能性很小，不可能)

虛擬語(yǔ)氣的應(yīng)用實(shí)例

1.與現(xiàn)在事實(shí)相反的虛擬語(yǔ)氣,if從句中的謂語(yǔ)用過(guò)去式(be用were),主句用would/could/mightshould+動(dòng)詞原形。

If I had enough money, I would buy myself a computer.

我如果有足夠的錢，會(huì)為自己買一臺(tái)電腦。

If I were you, I would forgive Mary.

如果我是你，我就會(huì)原諒瑪麗。

2.與將來(lái)事實(shí)相反的虛擬語(yǔ)氣，從句謂語(yǔ)過(guò)去式(be用were)/should+動(dòng)詞原形/were to+動(dòng)詞原形，主句謂語(yǔ)would/could/might/should do.

If I saw/should see/were to see him tomorrow, I would invite him home.

我如果明天見到他，會(huì)邀請(qǐng)他到家里來(lái)。

·If I were to do the job, I would do it in a different way.

要是我來(lái)做這項(xiàng)工作，我會(huì)用另一種方法。

3.與過(guò)去事實(shí)相反的虛擬語(yǔ)氣，主句謂語(yǔ)should/would/could/might+have+過(guò)去分詞,If 條件從句的謂語(yǔ)形式had+過(guò)去分詞詞。

If we had had enough rain last year,we could have gained a good harvest.

如果去年雨水充足的話，我們可能會(huì)有一個(gè)好收成。

If the weather had been nice yesterday,we would have gone for a picnic.如果昨天天氣好的話，我們就去野餐了。

4. wish后的賓語(yǔ)從句用虛擬語(yǔ)氣，從句的謂語(yǔ)形式虛擬情況

與現(xiàn)在事實(shí)相反用：過(guò)去式(be用were)

與過(guò)去事實(shí)相反had+過(guò)去分詞

與將來(lái)事實(shí)相反would/ could/might+動(dòng)詞原形

I wish (that) I were a bird and could fly freely in the sky.

我希望我是一只鳥，可以在天空中自由地飛翔。