Глагол "To Be"

To Be  Обведи кружком нужную форму глагола to be : 1. I is / am happy. 2. He is / am my friend. 3. It are / is an apple. 4. You are / is nice. 5. They are / am from Russia.  Впиши нужную форму глагола to be : 1.___________She my sister. 2.___________We brothers. 3.________I 4.________He _________ your father. 5.________They _________ students. a boy.  Перепиши предложения, используя краткие мы глагола фор to be : 1. I am a good pupil.__________________________ 2. It is my cat.________________________________ 3. We are seven years old.____________________ 4. They are trees._____________________________ 5) He is our teacher._______________________________