The referee called an end to the game due to rain.
I can give you several sentences.He is going to referee the ball game.The referee blew his whistle for half time.They fought for half an hour with no referee.
The soccer referee should be a maverick.
The referee was very biased towards his home team.
The referee was very biased towards his home team.
The referee called a foul on the team.
At the beginning of a sentence and when it forms part of the proper noun or when it is used as a direct address. Example: Referee George Don't call foul, Referee!
The simple subject is "referee" and the complete subject is "the referee."
The referee blew his whistle to signal that there was a penalty.
Most likely it should read "...referee's decision."
Has been is correct, since we are talking about the present. We wouldn't use have been since that would go with referees, plural, not referee singular. To use had been, we would be talking about something that happened in the past. For example, last year no referee had been sent a request.
Example sentence - Although the ticket was for a minor infraction, it was expensive.
The England-Germany referee was not accused of favouritism towards Germany despite disallowing the second England goal