| Simple | Progressive | Perfect | Progressive |
| Present |
| I volunteer |
| you volunteer |
| he/she/it volunteers |
| we volunteer |
| you all volunteer |
| they volunteer |
|
| I am volunteering |
| you are volunteering |
| he/she/it is volunteering |
| we are volunteering |
| you all are volunteering |
| they are volunteering |
|
| I have volunteered |
| you have volunteered |
| he/she/it has volunteered |
| we have volunteered |
| you all have volunteered |
| they have volunteered |
|
| I have been volunteering |
| you have been volunteering |
| he/she/it has been volunteering |
| we have been volunteering |
| you all have been volunteering |
| they have been volunteering |
|
| Past |
| I volunteered |
| you volunteered |
| he/she/it volunteered |
| we volunteered |
| you all volunteered |
| they volunteered |
|
| I was volunteering |
| you were volunteering |
| he/she/it was volunteering |
| we were volunteering |
| you all were volunteering |
| they were volunteering |
|
| I had volunteered |
| you had volunteered |
| he/she/it had volunteered |
| we had volunteered |
| you all had volunteered |
| they had volunteered |
|
| I had been volunteering |
| you had been volunteering |
| he/she/it had been volunteering |
| we had been volunteering |
| you all had been volunteering |
| they had been volunteering |
|
| Future |
| I will volunteer |
| you will volunteer |
| he/she/it will volunteer |
| we will volunteer |
| you all will volunteer |
| they will volunteer |
|
| I will be volunteering |
| you will be volunteering |
| he/she/it will be volunteering |
| we are volunteering |
| you all will be volunteering |
| they will be volunteering |
|
| I will have volunteered |
| you will have volunteered |
| he/she/it will have volunteered |
| we will have volunteered |
| you all will have volunteered |
| they will have volunteered |
|
| I will have been volunteering |
| you will have been volunteering |
| he/she/it will have been volunteering |
| we will have been volunteering |
| you all will have been volunteering |
| they will have been volunteering |
|
