2. which作宾语时,根据先行词与定语从句之间的语义关系,先行词与which之间的介词不能丢。
1. that即可代表事物也可代表人,which代表事物;它们在从句中作主语或宾语,that在从句中作宾语时常可省略关系词,which在从句中作宾语则不能省略。而且,如果which在从句中作“不及物动词+介词”的介词的宾语,注意介词不要丢掉,而且介词总是放在关系代词which的前边,但有的则放在它原来的位置 。
4、so that句型也可以用来引导结果状语从句,意为“因此,结果”,这时其从句中的谓语动词不与情态动词连用。这种结构和so…that…引导的结果在含义上有很大的区别。
So that句型所表示的结果往往同主句有因果关系,而so…that…句型所表示的结果往往表明so后面形容词或副词和程度。请比较:
He didn’t plan his time well, so that he didn’t finish his work in time.
他没有把时间计划好,结果没有按时完成这项工作。
(没按时完成这项工作的原因是没计划好时间)
It’s so hot that I can’t sleep. 天气热得我不能入睡。
(天气热到人不能入睡的程度。)
3、so that引导目的状语从句,其从句中的谓语动词通常和can, may, should等情态动词连用,而且主句和从句之间不使用逗号,意为“以便,为了,使能够”。如:
1) They got up early so that they could catch the early bus. 为了能赶上早班车,他们早早就起床了。
2) Say slowly so that I can understand you. 说慢点,好让我听明白。
2、so… that…引导的是表示结果的状语从句,但不一定是“如此……以至于……”。如:
1) The workers did so well that he was pleased with them. 工人们干得很好,他对他们很满意。
2) I was so busy here (that) I had no time to write a letter. 我在这里很忙,没时间写信。
1、在so…that…句型中,so后面加形容词或副词,其意为“如此……以至于……”。如:
1) This book is so interesting that everyone wants to read it. 这本书很有趣,人人都想看看。
2) He ran so fast that I couldn’t catch up with him. 他跑得那么快,我没赶上他。
9. though可用作副词,放在词尾。although却不可这样用。如:
He said he would come, he didn’t, though. 他说要来却没来。
(二)so…that…与so that的用法
我们都知道so that引导目的状语从句,so…that…引导结果状语从句。它们有所不同,请注意下面几点:
8. though还可作并列连词,相当于and yet(然而,可是),它引导的分句常对另一分句起补充说明作用;although则无这种用法。如:
I wouldn’t like to go to the evening, though they will invite me to. 我不想去参加晚会,可是他们要请我去。
they now can do most of the things people can do, though most scientists aGREe that computers can not completely take the place of humans. 人们能做的大部分工作,计算机现在都能做,然而大多数科学家认为,计算机并不能完全代替人类。
7. though还可与别的词结合使用,如even though, as though等;although则无这种搭配功能。如:
I’ll go and help them even though I stop my work. 即使我停下自己的活不干,我也要去帮助他们。
6. though从句的主谓语若是系表结构时,可以省略从句主语和be动词。如:
Though alone, he is happy. 虽然他独自一人,却很幸福。
注意:Though loving him, I can not help him. 是错句。因为从句不是be构成的系表结构作谓语。应改为:Though I love him, I can not help him. 或Though fond of him, I can not help him.
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