They missed the bus so that they were late for class．他们误了车，结果上课迟到了。
He went early so that he got a good seat．他走得很早，结果占了个好座位。He went early so that he could get a good seat．他走得很早，以便能占一个好座位。She was so happy that she danced．她高兴地跳起舞来。 He ran so fast that I could not catch up with him．他跑得太快，以致我跟不上他。
