1.so可以用作连词,表示“因此,所以”。
例:I heard some noise outside, so I went out of the room to see why.
so that作为连词词组,表示“以便,为了”。
例:The vase is put high on the table, so that it won't be broken.2.so可以用作形容词,表示“是这样的,是真的”。
例:The newspapers claim she killed him in self defence but that just isn't so.
3.so可以用作副词,表示以下含义:
1)“如此,这么”,结构为:so+adj./adv。
例:She was so tired that she fell asleep very fast.
表示此意思时,还可以用:so+adj.+a/an+n.。
例:It is so good a movie that everyone who saw itpraises it very much.
2)“如此,如是”,用于表示已经提到的想法,建议或情况等。
例:—Will I need my umbrella?—I think so.
3)“也是,也一样”,结构为so+助动词/情态动词/be动词+主语。
例:Tony takes exercise every day and so does his younger brother.
注意否定句应把so改为neither/nor,结构为neither/nor+助动词/情态动词/be动词+主语。
例:Jenny has never been late for class.Neither/Nor her younger brother.
4)“确实是这样”,表示对前面陈述事实的强调,结构为so+主语+助动词/情态动词/be动词。
例:Tony works very hard at all the subjects.So he does.
5)“似乎,那么”,表示惊讶、不同意或者嘲讽。
例:So you think you've got troubles?
常见结构:and so on/and so forth:等等;so as to(do):以便;so that+从句:以便
例:We eat different vegetables,such astomato,potato,celery,and so on.
They got up early so as to catch the first bus.
They got up so early that they could catch the first bus.