Всем привет! Помогите, пожалуйста, сделать задание (без перевода)

change the verb to be into the Past Indefinite

1. I am a pupil.

2. They are at school.

3. His father is a worker.

4. She is schoolgirl.

5. You are tired.

6. His parents are farmers.

7. The girls at the theatre.

8. Peter is ill.

9. Is the doctor at the hospital?

10. Are you ready to go there? 

1 I was a puple/

2they were at school

3his father was a worker

4 she was a school girl

5 you was tired

6 his parents were farmers

7the girls were at theatre

8 peter was ill

9 was the doctor at the hospital?

10 was you ready to go there?