如：心动、感觉、说话、观察、学习、工作、管理、计划、指挥、协调、存在、变化、保护、买卖、交易、欣赏、拓展、延伸、幻想、鉴定、消费。
这一类既可以作为动词使用，可以在语句中充当谓语成分的，又可以当做名词使用，可以在语句中充当主语成分的词汇，都是汉语中的动名词。
一、动名词是一种兼有动词和名词特征的非限定动词。它可以支配宾语，也能被副词修饰。动名词有时态和语态的变化。
二、常见的动名词出现的情况：
1．在进行时态中，如：
He is watching TV in the room.
They were dancing at nine o'clock last night.
2．在there be结构中，如：
There is a boy swimming in the river.
3．在have fun / problems 结构中，如：
We have fun learning English this term.
They had problems getting to the top of the mountain.
4．在介词后面，如：
Thanks for helping me.
Are you good at playing basketball?
What / How about doing sth?
I’m interested in playing football.
5．在以下结构中
enjoy doing sth. 喜欢做某事
finish doing sth 完成做某事
feel like doing sth 想要做某事
stop doing sth 停止做某事
forget doing sth 忘记做某事
go on doing sth 继续做某事
remember doing sth 记得做某事
like doing sth. 喜欢做某事
