Are these your keys?
No, they´re not / Yes, they are
Are these your headphones?
No, they´re not / Yes, they are
Are these your sunglasses?
No, they´re not / Yes, they are
Is this an umbrella?
No, it is not
What´s this?
This is a highlighter / It´s a highlighter
Is this a water bottle?
No, it is not
What´s this?
This is an eraser / It´s an eraser
What´s this?
This is a pencil / It´s a pencil
What are these?
These are pencils / They´re pencils
What are these?
These are markers / They´re markers
What are these?
These are pens / They´re pens
Is this a pencil case?
Yes, it is
What are these?
These are books / They´re books
Is this a book?
Yes, it is
What´s this?
This is a notebook / It´s a notebook