The non-predicative verbs 非谓语动词
   Grammar
Learning Aims
1. 不定式作状语三种使用方法2. doing和done作状语区分、形式3. with/without + 宾语 + 宾补
过去分词(形容词化)
so/such...as to
主动
出乎意料
in order to/ so as to do
too…to do
...enough to do