1.  Verb to be : .…….is  ……am  ……are

2. Structure Subject( singular) + is……… He,She,It + is….. He is a man. She is talkative. It is six years old.

3. Structure Subject ( Plural) + are……….. You,We,They + are…… We are nurses. They are serious. You are eighteen years old.

4. Structure Subject I + am ……… I am a doctor. I am young. I am nine years old.

5. Structure Subject( singular) + is not……… He,She,It + is not…………. He is not a soldier. She is not thin. It is not two years old.

6. Structure Subject ( Plural) + are not……….. You,We,They + are not ………… We are not cashiers. They are not lawyers. You are not nine years old.

7. Structure Subject I + am not……… I am not a doctor. I am not young. I am not nine years old.

8. Structure Is + subject( singular) ………? Is + he,she,it …………? Is he a man? Yes, he is. or No, he is not. Is she handsome? Yes, she is. or No, she is not.

9. Structure Are + subject ( Plural)……….? Are + you, we, they …..…………? Are we nurses? Yes, we are. or No, we are not. Are they eighteen years old? Yes, they are. or No, they are not.