Yes/No summary. Be-Do/Does

Yes/No questions are basic questions in English. 

 They are called Yes/No questions because the answer is "yes" or "no".

Example:      

Do you like pizza?        

• Yes I do.
  
• No I don't.

Yes/No Questions use 2 forms:
1.        Be
2.        Do/Does

Verb to BeStructureBE        +        SUBJECT        +        Adjective/Noun
             Are                     you                          a Doctor?

answer: Yes I'm /No I'm not

Do/DoesDO/DOES        +        SUBJECT        +        VERB
Do                                you                    like coffe?

Answer: Yes I do /No I don't