虛擬語(yǔ)氣的運(yùn)用
虛擬語(yǔ)氣在各種從句的應(yīng)用
主語(yǔ)從句的虛擬
1. It is + adj. + that sb. (should) do
常見(jiàn)的形容詞有：necessary, important, strange, natural
It's important that he take my advice.
2. It is + n. + that sb. (should) do
常見(jiàn)的名詞有：a pity, a shame, no wonder, one's wish
It's a pity that he be so silly.
3. It is + done + that sb. (should) do
常見(jiàn)的過(guò)去分詞有：suggested, advised, demanded, requested, required, asked, ordered,
proposed, decided, desired, insisted等。
It's requested that she go home as soon as possible.
賓語(yǔ)從句的虛擬
1. 表命令，表建議，表要求的動(dòng)詞，后接賓語(yǔ)從句虛擬。虛擬的構(gòu)成為(should) do。
I advise that he stay at home.
2. wish后接從句，虛擬的構(gòu)成是往過(guò)去推一個(gè)時(shí)態(tài)。
I wish I had watched the football match last night.
注意以下幾組詞或短語(yǔ)用于虛擬語(yǔ)氣中。
1. as if, as though
He speaks English as if he were a native speaker.
2. otherwise, but, even though
He was ill. Otherwise he would have been there.
3. with, without, but for
Without your help, I would have died two years ago.
But for your help, I would have died two years ago.
4. would rather I'd rather you told me yourself.
5. It's time that
It's time that you went to bed.
It's time that you should go to bed.
表語(yǔ)從句中的虛擬
在表語(yǔ)從句中，表示間接的命令，要求、請(qǐng)求、建議、決定等，主句中的主語(yǔ)通常是suggestion, proposal, request, orders, idea等。從句謂語(yǔ)形式是"(should)+動(dòng)詞原形"。如：
His suggestion is that we (should) leave at once.
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