TO BE (+)
Tom and Mark (be) thirsty.
Tom and Mark are thirsty.
(be) you English ?
Are you Polish?
It (not be) my rubber.
It isn't my rubber.
............ is our English lesson? At 3pm
Do you like grapes?
This pencil case (be) new.
This pencil case is new.
(be) it your dog?
Is it your dog?
I (be not) bored.
I'm not bored.
.... is this? It is my brother.
Who is this?
Mary and I (be) at school.
Mary and I are at school.
(be) I cold?
Am I cold?
Mark and I (not be) excited.
Mark and I aren't excited.
...... is it? It is 20 dollars
How much is it?