A person who lives in China is...
Chinese
He is from Turkey. He is...
Turkish
Where is he from?
He is from Belarus
Are they from Greece? (full answer)
No, they aren't.
The Queen of England is... (nationality)
British
I'm from Spain. I'm ...
Spanish
Look at the picture
Those are people/children
He comes from Portugal. He is
Portuguese
Are they from Italy? (full answer)
Yes, they are.
Are they from Poland? (short answer + nationality)
No, they aren't. They're from Russia.
They are from the USA. (Ask the question)
Where are they from?
Look at the picture
That is an apple