| Simple | Progressive | Perfect | Progressive |
| Present |
| I supplement |
| you supplement |
| he/she/it supplements |
| we supplement |
| you all supplement |
| they supplement |
|
| I am supplementing |
| you are supplementing |
| he/she/it is supplementing |
| we are supplementing |
| you all are supplementing |
| they are supplementing |
|
| I have supplemented |
| you have supplemented |
| he/she/it has supplemented |
| we have supplemented |
| you all have supplemented |
| they have supplemented |
|
| I have been supplementing |
| you have been supplementing |
| he/she/it has been supplementing |
| we have been supplementing |
| you all have been supplementing |
| they have been supplementing |
|
| Past |
| I supplemented |
| you supplemented |
| he/she/it supplemented |
| we supplemented |
| you all supplemented |
| they supplemented |
|
| I was supplementing |
| you were supplementing |
| he/she/it was supplementing |
| we were supplementing |
| you all were supplementing |
| they were supplementing |
|
| I had supplemented |
| you had supplemented |
| he/she/it had supplemented |
| we had supplemented |
| you all had supplemented |
| they had supplemented |
|
| I had been supplementing |
| you had been supplementing |
| he/she/it had been supplementing |
| we had been supplementing |
| you all had been supplementing |
| they had been supplementing |
|
| Future |
| I will supplement |
| you will supplement |
| he/she/it will supplement |
| we will supplement |
| you all will supplement |
| they will supplement |
|
| I will be supplementing |
| you will be supplementing |
| he/she/it will be supplementing |
| we are supplementing |
| you all will be supplementing |
| they will be supplementing |
|
| I will have supplemented |
| you will have supplemented |
| he/she/it will have supplemented |
| we will have supplemented |
| you all will have supplemented |
| they will have supplemented |
|
| I will have been supplementing |
| you will have been supplementing |
| he/she/it will have been supplementing |
| we will have been supplementing |
| you all will have been supplementing |
| they will have been supplementing |
|
