| Simple | Progressive | Perfect | Progressive |
| Present |
| I gnash |
| you gnash |
| he/she/it gnashes |
| we gnash |
| you all gnash |
| they gnash |
|
| I am gnashing |
| you are gnashing |
| he/she/it is gnashing |
| we are gnashing |
| you all are gnashing |
| they are gnashing |
|
| I have gnashed |
| you have gnashed |
| he/she/it has gnashed |
| we have gnashed |
| you all have gnashed |
| they have gnashed |
|
| I have been gnashing |
| you have been gnashing |
| he/she/it has been gnashing |
| we have been gnashing |
| you all have been gnashing |
| they have been gnashing |
|
| Past |
| I gnashed |
| you gnashed |
| he/she/it gnashed |
| we gnashed |
| you all gnashed |
| they gnashed |
|
| I was gnashing |
| you were gnashing |
| he/she/it was gnashing |
| we were gnashing |
| you all were gnashing |
| they were gnashing |
|
| I had gnashed |
| you had gnashed |
| he/she/it had gnashed |
| we had gnashed |
| you all had gnashed |
| they had gnashed |
|
| I had been gnashing |
| you had been gnashing |
| he/she/it had been gnashing |
| we had been gnashing |
| you all had been gnashing |
| they had been gnashing |
|
| Future |
| I will gnash |
| you will gnash |
| he/she/it will gnash |
| we will gnash |
| you all will gnash |
| they will gnash |
|
| I will be gnashing |
| you will be gnashing |
| he/she/it will be gnashing |
| we are gnashing |
| you all will be gnashing |
| they will be gnashing |
|
| I will have gnashed |
| you will have gnashed |
| he/she/it will have gnashed |
| we will have gnashed |
| you all will have gnashed |
| they will have gnashed |
|
| I will have been gnashing |
| you will have been gnashing |
| he/she/it will have been gnashing |
| we will have been gnashing |
| you all will have been gnashing |
| they will have been gnashing |
|
