This / That / These/ Those is an apple
This is an apple.
This / That / These/ Those are dirty shoes.
Those are dirty shoes.
I am / is / are a doctor.
I am a doctor.
She am / is / are a teacher.
She is a teacher.
They am / is / are friends.
They are friends.
...... there a table in the room?
Is there a table in the room?
..... there children in the classroom?
Are there children in the classroom?
Answer the question: Is there milk in the fridge?
No, there isn't.
Answer the question: Are there eggs in the fridge?
Yes, there are.
