There was a bull in the street.

There were a bull in the street.

There was a bull in the street.

Were there a bull in the street.

 There was three bulls.

There was some bulls.

There were one bull.

There were some bulls.

There were fountains in the square.

There weren't a fountain in the square.

There was one fountain in the square.

There was some fountains in the square.

There was one person.

There were many people.

There was nobody.

There were two persons.

Is there/ is there

Is there/ there is

Are there/ there is

are

have

is

There are two libraries

There is a library

There isn´t a library

there is.

are there.

there are.

There is some kids playing.

There is a kid playing.

There are some kids playing.

There is a "falla" in Quatretonda last year.

There are a "falla" in Quatretonda last year.

There were a "falla" in Quatretonda last year.

There was a "falla" in Quatretonda last year.

There are three bridges

There is a bridge

There is two bridges

There was a school in the past.

There were a school in the past.

There was some school in the past.

There is a school in the past.

There are any big Christmas tree ornament in the square.

There isn't a big Christmas tree ornament in the square.

There was a big Christmas tree ornament in the square.

There were some Christmas tree ornament in the square.