| Simple | Progressive | Perfect | Progressive |
| Present |
| I fret |
| you fret |
| he/she/it frets |
| we fret |
| you all fret |
| they fret |
|
| I am fretting |
| you are fretting |
| he/she/it is fretting |
| we are fretting |
| you all are fretting |
| they are fretting |
|
| I have fretted |
| you have fretted |
| he/she/it has fretted |
| we have fretted |
| you all have fretted |
| they have fretted |
|
| I have been fretting |
| you have been fretting |
| he/she/it has been fretting |
| we have been fretting |
| you all have been fretting |
| they have been fretting |
|
| Past |
| I fretted |
| you fretted |
| he/she/it fretted |
| we fretted |
| you all fretted |
| they fretted |
|
| I was fretting |
| you were fretting |
| he/she/it was fretting |
| we were fretting |
| you all were fretting |
| they were fretting |
|
| I had fretted |
| you had fretted |
| he/she/it had fretted |
| we had fretted |
| you all had fretted |
| they had fretted |
|
| I had been fretting |
| you had been fretting |
| he/she/it had been fretting |
| we had been fretting |
| you all had been fretting |
| they had been fretting |
|
| Future |
| I will fret |
| you will fret |
| he/she/it will fret |
| we will fret |
| you all will fret |
| they will fret |
|
| I will be fretting |
| you will be fretting |
| he/she/it will be fretting |
| we are fretting |
| you all will be fretting |
| they will be fretting |
|
| I will have fretted |
| you will have fretted |
| he/she/it will have fretted |
| we will have fretted |
| you all will have fretted |
| they will have fretted |
|
| I will have been fretting |
| you will have been fretting |
| he/she/it will have been fretting |
| we will have been fretting |
| you all will have been fretting |
| they will have been fretting |
|
