Positive
| I | was | at school yesterday. |
| He/ She/ It | was | |
|
We/ You/ They |
were |
Negative
| I | wasn't | in France last year. |
| He/ She/ It | wasn't | |
|
We/ You/ They |
weren't |
Question
| Was | I | at home on Monday? |
| Was | He/ She/ It | |
| Were | We/ You/ They |
Short answers
Yes, I was./ Yes, we were.
No , they weren't.
No, he wasn't.
Yes, she was.