I was so excited that I couldn’t say a word.
5. so that...以便/以致…… 如：
① They studied hard so that they could pass the exam. 为了能通过考试,他们学习很努力。
② They started early so that they caught the early bus. 他们起得很早,结果赶上了早班车。
重要提示：
在例句①中，是引导目的状语;在例句②中，是引导结果状语。一般来讲，若从句中含有情态动词，则so that引导的为目的状语。若无情态动词，则so that引导的为结果状语。
6. 祈使句+then/or/and+陈述句 如：
