The modal verb 会
In Chinese, 会 (huì) stands before a verb and means knowing how to do something, learned beforehand.
That is, the person learned it earlier and can now do it.
In English it is usually rendered as “can …” or “know how to …”.
Basic structure
Subject + 会 + verb
Meaning:
someone has learned something and can do it.
你会做饭吗?
Can you cook?
Structure
你 + 会 + 做饭 + 吗?
you + can + cook + ?
你you
会can / know how to
做饭cook a meal
吗question particle
Here 会 marks the ability to cook, acquired by learning.
我会做面条儿。
I can make noodles.
Structure
我 + 会 + 做面条儿
I + can + make noodles
我I
会can
做面条儿make noodles
Here 会 shows that the person knows how to do it.
我不会做菜。
I can't cook dishes.
Structure
我 + 不会 + 做菜
I + cannot + cook dishes
我I
不会cannot / do not know how to
做菜cook dishes
Here 不会 shows the lack of that skill.
The rule in short
Affirmative
会 + verb
can … / know how to …
Example:
我会做面条儿。
I can make noodles.
Negative
不会 + verb
cannot … / not know how to …
Example:
我不会做菜。
I can't cook dishes.
Question
会 + verb + 吗?
Example:
你会做饭吗?
Can you cook?