| Simple | Progressive | Perfect | Progressive |
| Present |
| I bolster |
| you bolster |
| he/she/it bolsters |
| we bolster |
| you all bolster |
| they bolster |
|
| I am bolstering |
| you are bolstering |
| he/she/it is bolstering |
| we are bolstering |
| you all are bolstering |
| they are bolstering |
|
| I have bolstered |
| you have bolstered |
| he/she/it has bolstered |
| we have bolstered |
| you all have bolstered |
| they have bolstered |
|
| I have been bolstering |
| you have been bolstering |
| he/she/it has been bolstering |
| we have been bolstering |
| you all have been bolstering |
| they have been bolstering |
|
| Past |
| I bolstered |
| you bolstered |
| he/she/it bolstered |
| we bolstered |
| you all bolstered |
| they bolstered |
|
| I was bolstering |
| you were bolstering |
| he/she/it was bolstering |
| we were bolstering |
| you all were bolstering |
| they were bolstering |
|
| I had bolstered |
| you had bolstered |
| he/she/it had bolstered |
| we had bolstered |
| you all had bolstered |
| they had bolstered |
|
| I had been bolstering |
| you had been bolstering |
| he/she/it had been bolstering |
| we had been bolstering |
| you all had been bolstering |
| they had been bolstering |
|
| Future |
| I will bolster |
| you will bolster |
| he/she/it will bolster |
| we will bolster |
| you all will bolster |
| they will bolster |
|
| I will be bolstering |
| you will be bolstering |
| he/she/it will be bolstering |
| we are bolstering |
| you all will be bolstering |
| they will be bolstering |
|
| I will have bolstered |
| you will have bolstered |
| he/she/it will have bolstered |
| we will have bolstered |
| you all will have bolstered |
| they will have bolstered |
|
| I will have been bolstering |
| you will have been bolstering |
| he/she/it will have been bolstering |
| we will have been bolstering |
| you all will have been bolstering |
| they will have been bolstering |
|
