| Simple | Progressive | Perfect | Progressive |
| Present |
| I grate |
| you grate |
| he/she/it grates |
| we grate |
| you all grate |
| they grate |
|
| I am grating |
| you are grating |
| he/she/it is grating |
| we are grating |
| you all are grating |
| they are grating |
|
| I have grated |
| you have grated |
| he/she/it has grated |
| we have grated |
| you all have grated |
| they have grated |
|
| I have been grating |
| you have been grating |
| he/she/it has been grating |
| we have been grating |
| you all have been grating |
| they have been grating |
|
| Past |
| I grated |
| you grated |
| he/she/it grated |
| we grated |
| you all grated |
| they grated |
|
| I was grating |
| you were grating |
| he/she/it was grating |
| we were grating |
| you all were grating |
| they were grating |
|
| I had grated |
| you had grated |
| he/she/it had grated |
| we had grated |
| you all had grated |
| they had grated |
|
| I had been grating |
| you had been grating |
| he/she/it had been grating |
| we had been grating |
| you all had been grating |
| they had been grating |
|
| Future |
| I will grate |
| you will grate |
| he/she/it will grate |
| we will grate |
| you all will grate |
| they will grate |
|
| I will be grating |
| you will be grating |
| he/she/it will be grating |
| we are grating |
| you all will be grating |
| they will be grating |
|
| I will have grated |
| you will have grated |
| he/she/it will have grated |
| we will have grated |
| you all will have grated |
| they will have grated |
|
| I will have been grating |
| you will have been grating |
| he/she/it will have been grating |
| we will have been grating |
| you all will have been grating |
| they will have been grating |
|
