Perbedaan antara yes/no question dan information question

yes/no question tidak menggunakan kata tanya.
polanya : auxiliary verb + S + verb/complement
Contoh :
Is he a doctor?
Do you speak English?
Did she finish it?

Information question menggunakan kata tanya.
Contoh :
What is your name?
Who is that?
Where is he from?
When did the show start.