Yes/No questions and short answers with the verb be

Yes/No questions – be (am, are, is)

Subject and verb change their position in statement and question.

We always use the short answer, not only Yes or No, as Yes or No sounds rude on its own.

NOTE:

If the answer is Yes, we always use the long form. → Example: Yes, I am.

If the answer is No, we either use the long or the contracted form (short form). → Example: No, I am not → No, I‘m not.

Verb	Subject	Rest	Yes/No	Subject	Verb
Are	you	from England?	Yes,	I	am.
Are	you	from England?	No,	I	am not ‘m not.
Is	she	your friend?	Yes,	she	is.
Is	she	your friend?	No,	she	is not. isn’t.
Are	they	Italian?	Yes,	they	are.
Are	they	Italian?	No,	they	are not. aren’t.