They wrote sentences on the board.
Nothing is wrong!
My friends and I was be very happy.
My friends and I were very happy.
Where was you last weekend? I was at home.
Where were you last weekend? I was at home.
We swimmed in the lake.
We swam in the lake.
I were at the restaurant yesterday.
I was at the restaurant yesterday.
Did you watched a film in the evening?
Did you watch a film in the evening?
I catched a fish!
I caught a fish!
I were on the farm all day.
I was on the farm all day.
My best friend were angry this morning
My best friend was angry this morning.