Mr. A : What are these?
Mr. B : Those are books.
Mr. A : Are these your book?
Mr. B : Yes. They’re mine
Mr. A : Where are the pencils?
Mr. B : There they are. They’re over there
Mr. A : Where are your pens?
Mr. B : They’re over there. There they are.
Mr. A : Are these your pens?
Mr. B : Yes, they are. Those are mine
Mr. A : These are your books, aren’t they?
Mr. B : Yes, they are. Those are mine
Mr. A : These are your notebooks, aren’t they?
Mr. B : No, they aren’t. Those aren’t mine
Mr. A : These aren’t your book, are they?
Mr. B: No, they’re not. These are mine and those are yours.
Mr. A: Whose pencil are these? Are they yours?
Mr. B : Yes, they’re mine.
Mr. A: Whose notebook are these?
Mr. B : They’re mine. Those are my notebooks and those are my pencils.
Mr. A : Whose dictionaries are these? Are they yours?
Mr. B : No, they aren’t mine.
Mr. A : Those cats are yours, aren’t they?
Mr. B : No, they’re not mine
Mr. A : Are those automobiles, yours?
Mr. B : Yes, they are. Those are mine.
Mr. A : Are those pencils yours?
Mr. B : No, they aren’t. They’re not mine
Mr. A : Whose papers are these? They’re not mine
Mr. B : Those papers are mine. Those are my papers
Mr. A : Where are the chairs and tables?
Mr. B : There they are, over there. I see the chairs and tables
