Were they at school with their teacher?
Yes, they WERE.
Were the children at school yesterday?
No, they WEREN'T.
Yesterday, There ...... 2 beautiful flowers outside.
WERE
She .... hungry.
WAS
It ....... rainy. It was sunny.
WASN'T
What was weather like last Friday?
It WAS hot.
The birds ..... on the telephone wire.
WERE
Where was he?
He WAS at home.
There ....... a white flower.
WAS
How ..... you yesterday? - I ... very happy.
WERE - WAS