人教版八年级英语下册unit 4单元语法知识梳理

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英语,下册,人教,梳理,语法
四川省乐山市马边县

although, so thatuntil引导的状语从句

1.although引导让步状语从句连词

although意为“虽然;尽管”,引导让步状语从句,可以放在主句前面,也可以放在主句后面。

例句:Although she's wrong, it's not a big deal.尽管她不对,但这也不是什么大不了的事。

You could help him although you didn't let him copy your homework.尽管你不让他抄你的作业,但你可以帮助他。

2.so that引导目的状语从句和结果状语从句

1so that意为“以便”,引导目的状语从句,一般放在主句后,且不用逗号隔开。目的状语从句表示动机(即一种可能性),而非事实。因此,从句中常带有can, will, could, would, should等情态动词。

例句:He should talk to his friend so that he can say he\'s sorry.他应当和他的朋友谈一谈,以便他能说声抱歉。

You must go now so that you won't be late.你必须现在就去,以便不会迟到。 2so that意为“以至于;结果”,引导结果状语从句,陈述的是客观事实,常常不带情态动词。

例句:He got up early so that he caught the early bus.他起得早,因此赶上了早班车。

My friend was ill so that she didn't come to school yesterday.我朋友生病了,所以她昨天没来上学。

3.until引导时间状语从句

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四川省乐山市马边县

连词until意为“直到……为止;到……时”,引导时间状语从句,常放在主句之后,也可以放在主句之前。主句为一般将来时,从句要用一般现在时表示将来。

until用于肯定句中,意为“直到……为止”,主句谓语动词须用延续性动词;用于否定句中,意为“直到……才”主句谓语动词通常用非延续性动词,也可用延续性动词。

例句:They talked on and on until four o'clock in the morning.他们一直谈到凌晨四点。

The letter passed from one to another until everyone had read it.这封信从一个人转手另一人直到每个人都看过。

I won't believe it until I see it with my own eyes.直到亲眼看见,我才会相信。

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