| Simple | Progressive | Perfect | Progressive |
| Present |
| I collaborate |
| you collaborate |
| he/she/it collaborates |
| we collaborate |
| you all collaborate |
| they collaborate |
|
| I am collaborating |
| you are collaborating |
| he/she/it is collaborating |
| we are collaborating |
| you all are collaborating |
| they are collaborating |
|
| I have collaborated |
| you have collaborated |
| he/she/it has collaborated |
| we have collaborated |
| you all have collaborated |
| they have collaborated |
|
| I have been collaborating |
| you have been collaborating |
| he/she/it has been collaborating |
| we have been collaborating |
| you all have been collaborating |
| they have been collaborating |
|
| Past |
| I collaborated |
| you collaborated |
| he/she/it collaborated |
| we collaborated |
| you all collaborated |
| they collaborated |
|
| I was collaborating |
| you were collaborating |
| he/she/it was collaborating |
| we were collaborating |
| you all were collaborating |
| they were collaborating |
|
| I had collaborated |
| you had collaborated |
| he/she/it had collaborated |
| we had collaborated |
| you all had collaborated |
| they had collaborated |
|
| I had been collaborating |
| you had been collaborating |
| he/she/it had been collaborating |
| we had been collaborating |
| you all had been collaborating |
| they had been collaborating |
|
| Future |
| I will collaborate |
| you will collaborate |
| he/she/it will collaborate |
| we will collaborate |
| you all will collaborate |
| they will collaborate |
|
| I will be collaborating |
| you will be collaborating |
| he/she/it will be collaborating |
| we are collaborating |
| you all will be collaborating |
| they will be collaborating |
|
| I will have collaborated |
| you will have collaborated |
| he/she/it will have collaborated |
| we will have collaborated |
| you all will have collaborated |
| they will have collaborated |
|
| I will have been collaborating |
| you will have been collaborating |
| he/she/it will have been collaborating |
| we will have been collaborating |
| you all will have been collaborating |
| they will have been collaborating |
|
