Auxiliary verbs in Chinese work pretty much the same way as auxiliary verbs in English.
What is an auxiliary verb?
I'll explain by way of examples:
- learn to run
- know how to
- be happy to
In these examples, learn, know and be are auxiliary to the verb next to them.
In Mandarin Chinese, here are some very common auxiliaries:
能 and 能够, 能夠
néng and nénggòu
know how to
be willing to