| Simple | Progressive | Perfect | Progressive |
| Present |
| I referee |
| you referee |
| he/she/it referees |
| we referee |
| you all referee |
| they referee |
|
| I am refereeing |
| you are refereeing |
| he/she/it is refereeing |
| we are refereeing |
| you all are refereeing |
| they are refereeing |
|
| I have refereed |
| you have refereed |
| he/she/it has refereed |
| we have refereed |
| you all have refereed |
| they have refereed |
|
| I have been refereeing |
| you have been refereeing |
| he/she/it has been refereeing |
| we have been refereeing |
| you all have been refereeing |
| they have been refereeing |
|
| Past |
| I refereed |
| you refereed |
| he/she/it refereed |
| we refereed |
| you all refereed |
| they refereed |
|
| I was refereeing |
| you were refereeing |
| he/she/it was refereeing |
| we were refereeing |
| you all were refereeing |
| they were refereeing |
|
| I had refereed |
| you had refereed |
| he/she/it had refereed |
| we had refereed |
| you all had refereed |
| they had refereed |
|
| I had been refereeing |
| you had been refereeing |
| he/she/it had been refereeing |
| we had been refereeing |
| you all had been refereeing |
| they had been refereeing |
|
| Future |
| I will referee |
| you will referee |
| he/she/it will referee |
| we will referee |
| you all will referee |
| they will referee |
|
| I will be refereeing |
| you will be refereeing |
| he/she/it will be refereeing |
| we are refereeing |
| you all will be refereeing |
| they will be refereeing |
|
| I will have refereed |
| you will have refereed |
| he/she/it will have refereed |
| we will have refereed |
| you all will have refereed |
| they will have refereed |
|
| I will have been refereeing |
| you will have been refereeing |
| he/she/it will have been refereeing |
| we will have been refereeing |
| you all will have been refereeing |
| they will have been refereeing |
|
