There were cats

There were two cats on the sofa

There was one cat on the sofa

There were nine birds

There were two birds

There were three birds

There were ten birds

was

were

weren't

wasn't

was

were

weren't

wasn't

There were two airplane at the airport.

There was one airplane at the playground.

I was at the bus stop.

They were at the amusement park.

They were at the bus stop.

They were at the train station.

You were at the playground.

You were at the amusement park.

You were at the post office.

There were boy at the post office.

There were children at the skating rink.

We were at the gym.

There wasn´t two the airport.

There wasn´t the post office.

There were a post office

There were six balls

There are three balls

There was four balls

There is a bird

There were two birds

There was three birds

There was a chair

There were six chairs

There is not a chair

There were

There was

There weren´t supermarkets

There was a supermarket

There isn´t a supermarket

There was a white cat on the bed

There were a black cat on the bed

There isn't a cat