| Simple | Progressive | Perfect | Progressive |
| Present |
| I further |
| you further |
| he/she/it furthers |
| we further |
| you all further |
| they further |
|
| I am furthering |
| you are furthering |
| he/she/it is furthering |
| we are furthering |
| you all are furthering |
| they are furthering |
|
| I have furthered |
| you have furthered |
| he/she/it has furthered |
| we have furthered |
| you all have furthered |
| they have furthered |
|
| I have been furthering |
| you have been furthering |
| he/she/it has been furthering |
| we have been furthering |
| you all have been furthering |
| they have been furthering |
|
| Past |
| I furthered |
| you furthered |
| he/she/it furthered |
| we furthered |
| you all furthered |
| they furthered |
|
| I was furthering |
| you were furthering |
| he/she/it was furthering |
| we were furthering |
| you all were furthering |
| they were furthering |
|
| I had furthered |
| you had furthered |
| he/she/it had furthered |
| we had furthered |
| you all had furthered |
| they had furthered |
|
| I had been furthering |
| you had been furthering |
| he/she/it had been furthering |
| we had been furthering |
| you all had been furthering |
| they had been furthering |
|
| Future |
| I will further |
| you will further |
| he/she/it will further |
| we will further |
| you all will further |
| they will further |
|
| I will be furthering |
| you will be furthering |
| he/she/it will be furthering |
| we are furthering |
| you all will be furthering |
| they will be furthering |
|
| I will have furthered |
| you will have furthered |
| he/she/it will have furthered |
| we will have furthered |
| you all will have furthered |
| they will have furthered |
|
| I will have been furthering |
| you will have been furthering |
| he/she/it will have been furthering |
| we will have been furthering |
| you all will have been furthering |
| they will have been furthering |
|
