Yes/No questions are the basic types of 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










Do/Does

DO/DOES        +        SUBJECT        +        VERB











Practice Yes/No Questions with this test:

Yes/No Questions Test

Yes/No Questions Test # 2
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.
Are you
Canadian?
 Yes I am.
 No I am not.
Is she tall?
 Yes she is.
  
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Yes/No Questions