What did he say?

what Pronoun

— What is used to ask for information about things. What did you see? What do you mean? — What is used to add a clause with more information. I don't know what you mean. I'll tell you what to do. I'll see what I can do to help. — What is used when you want to describe something instead of naming it. Take what you can find. Can I see what you did? I could change it if that's what you want.

what Determinative

— What is used to ask about the member(s) of a group. What book did you buy? — What is used to add a clause to identify the member(s) of a group. I don't know what problems you mean. I'll tell you what button to push. I'll see what food I can give.

what Adjective

— used to show that you feel strongly about something. What a great book this is!

did Verb

— The past tense of do as an auxiliary verb. Where did you go for your holiday? She did not like the movie.

he Pronoun

— A person or animal that we do not know the gender of. Kill that spider, before he gets away!.

he Noun

— A he refers to a male person. — He is the name of the fifth letter of many Semitic alphabets such as Phoenician, Aramaic, Hebrew, Syriac, Arabic and others.

say Verb

— When you say something, you share it in words. He says he is hungry.