時(shí)間狀語(yǔ)從句：

引導(dǎo)時(shí)間狀語(yǔ)從句的從屬連詞有when(當(dāng)……時(shí)候)，while(當(dāng)，在……過(guò)程中)，since(自從……以來(lái))，before(在……之前)，after(在……之后)，tell/until(直到……時(shí))，as soon as(一……就)。如果主句為一般將來(lái)時(shí)，則時(shí)間狀語(yǔ)從句只能用一般現(xiàn)在時(shí)表示將來(lái)的意義。

He was reading the newspaper when I came in.當(dāng)我進(jìn)來(lái)時(shí)，他正在讀報(bào)紙。

Keep an eye on my cat while I am away.我不在時(shí)，請(qǐng)照看一下我的貓。

Don’t talk so loud while others are studying.別人學(xué)習(xí)時(shí)不要大聲說(shuō)話。

It has been five years since she went abroad.她出國(guó)已有五年了。

He died before his son came back.他在他兒子回來(lái)之前就去世了。

I’ll show him around our factory as soon as he arrives.他一到達(dá)我就領(lǐng)他參觀我們的工廠。

I’ll tell him about it as soon as I see him. 我一見(jiàn)到他就告訴他。

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