Yes/no Questions

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 Be Structure BE        +        SUBJECT        +        Adjective/Noun

Are you Canadian?	Yes I am.	No I am not.
Is she tall?	Yes she is.

Do / Does
 DO/DOES        +        SUBJECT        +        VERB

Do you play baseball?	Yes I do.	No I do not.
Does she live in Japan?	Yes she does.	No she does not.
Do they want a pen?	Yes they do.	No they do not.