What's the plural of child?
It's children.
Tell a sentence using verb be/affirmative:
They are scared/afraid.
Where is the lamp?
It's on the desk.
Say a sentence using verb be/negative
The boy isn't sad.
What is that?
That is a computer.
What are those?
Those are markers.
Where is the computer?
The computer is on the desk/next to pencils/in front of the person/ in front of the window/ between the pencils and the coffee
Is the car clean?
No, it isn't.
Is the cheetah fast?
Yes, it is.
Are they excited?
Yes, they are.
Tell a sentence using verb be+adjective
She is cold.
