Maybe he expects that I came from a forest and don't know the politeness requests

I am wondering if I must add “s” for the third person singular form “expect” in this sentence or not.
Maybe he expects that I came from a forest and don’t know the politeness requests.

Who edited my post?

@Acooperator: “I am wondering if Imust add ‘s’ for the third person singular form ‘expect’”

Yes, ‘expects’ is the correct form of the present tense in this sentence.

Content edited