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 as tomato，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.