非谓语动词形式
1）doing: 主动，进行
n
2）done: 被动，完成
3）to do: 目的，将来
句子中充当成分
做主语
1）As far as I am concerend, receiving traditional education is appropriate.
2）To be a banker in an investment bank is probably the only option for ambitious young people like me.
做定语
前置定语<—— n. ——>后置定语(很长的从句做后置定语)
前置定语: walking abilities
后置定语: 1）Desert Flower is an autobiographical book published in 1998.
2）By limiting food intake, caloric restriction minimizes the amount of glucose entering cells and decreases ATP generation.
3）Research carried out by scientists in the US has shown that the proportion of people over 65 suffering from the most common age related medical problem is falling.
4）In the follow-up class, the teaching activities are similar to those used in conventional classes.
做表语
My tutor is very demanding.(adj.令人…) v.ed: 感到…
做状语
1）主语 + 谓语 + 宾语, 连接词 + 主谓宾 （主、从句主语一致时，可省略从句主语，从句中谓语v.ing或being v.ed）
Foreign tourists should be charged more than local people when (Foreign tourists) visiting the cultural and historical attractions in that country.
2）主语 + 谓语 + 宾语, 连接词 + 主谓宾 （主、从句主语不一致时，从句谓语ing: 独立主格）
The trainer will then take you through the safety rules before you using the equipment.