| Simple | Progressive | Perfect | Progressive |
| Present |
| I refer |
| you refer |
| he/she/it refers |
| we refer |
| you all refer |
| they refer |
|
| I am referring |
| you are referring |
| he/she/it is referring |
| we are referring |
| you all are referring |
| they are referring |
|
| I have referred |
| you have referred |
| he/she/it has referred |
| we have referred |
| you all have referred |
| they have referred |
|
| I have been referring |
| you have been referring |
| he/she/it has been referring |
| we have been referring |
| you all have been referring |
| they have been referring |
|
| Past |
| I referred |
| you referred |
| he/she/it referred |
| we referred |
| you all referred |
| they referred |
|
| I was referring |
| you were referring |
| he/she/it was referring |
| we were referring |
| you all were referring |
| they were referring |
|
| I had referred |
| you had referred |
| he/she/it had referred |
| we had referred |
| you all had referred |
| they had referred |
|
| I had been referring |
| you had been referring |
| he/she/it had been referring |
| we had been referring |
| you all had been referring |
| they had been referring |
|
| Future |
| I will refer |
| you will refer |
| he/she/it will refer |
| we will refer |
| you all will refer |
| they will refer |
|
| I will be referring |
| you will be referring |
| he/she/it will be referring |
| we are referring |
| you all will be referring |
| they will be referring |
|
| I will have referred |
| you will have referred |
| he/she/it will have referred |
| we will have referred |
| you all will have referred |
| they will have referred |
|
| I will have been referring |
| you will have been referring |
| he/she/it will have been referring |
| we will have been referring |
| you all will have been referring |
| they will have been referring |
|
