| Simple | Progressive | Perfect | Progressive |
| Present |
| I grimace |
| you grimace |
| he/she/it grimaces |
| we grimace |
| you all grimace |
| they grimace |
|
| I am grimacing |
| you are grimacing |
| he/she/it is grimacing |
| we are grimacing |
| you all are grimacing |
| they are grimacing |
|
| I have grimaced |
| you have grimaced |
| he/she/it has grimaced |
| we have grimaced |
| you all have grimaced |
| they have grimaced |
|
| I have been grimacing |
| you have been grimacing |
| he/she/it has been grimacing |
| we have been grimacing |
| you all have been grimacing |
| they have been grimacing |
|
| Past |
| I grimaced |
| you grimaced |
| he/she/it grimaced |
| we grimaced |
| you all grimaced |
| they grimaced |
|
| I was grimacing |
| you were grimacing |
| he/she/it was grimacing |
| we were grimacing |
| you all were grimacing |
| they were grimacing |
|
| I had grimaced |
| you had grimaced |
| he/she/it had grimaced |
| we had grimaced |
| you all had grimaced |
| they had grimaced |
|
| I had been grimacing |
| you had been grimacing |
| he/she/it had been grimacing |
| we had been grimacing |
| you all had been grimacing |
| they had been grimacing |
|
| Future |
| I will grimace |
| you will grimace |
| he/she/it will grimace |
| we will grimace |
| you all will grimace |
| they will grimace |
|
| I will be grimacing |
| you will be grimacing |
| he/she/it will be grimacing |
| we are grimacing |
| you all will be grimacing |
| they will be grimacing |
|
| I will have grimaced |
| you will have grimaced |
| he/she/it will have grimaced |
| we will have grimaced |
| you all will have grimaced |
| they will have grimaced |
|
| I will have been grimacing |
| you will have been grimacing |
| he/she/it will have been grimacing |
| we will have been grimacing |
| you all will have been grimacing |
| they will have been grimacing |
|
