| Simple | Progressive | Perfect | Progressive |
| Present |
| I harness |
| you harness |
| he/she/it harnesses |
| we harness |
| you all harness |
| they harness |
|
| I am harnessing |
| you are harnessing |
| he/she/it is harnessing |
| we are harnessing |
| you all are harnessing |
| they are harnessing |
|
| I have harnessed |
| you have harnessed |
| he/she/it has harnessed |
| we have harnessed |
| you all have harnessed |
| they have harnessed |
|
| I have been harnessing |
| you have been harnessing |
| he/she/it has been harnessing |
| we have been harnessing |
| you all have been harnessing |
| they have been harnessing |
|
| Past |
| I harnessed |
| you harnessed |
| he/she/it harnessed |
| we harnessed |
| you all harnessed |
| they harnessed |
|
| I was harnessing |
| you were harnessing |
| he/she/it was harnessing |
| we were harnessing |
| you all were harnessing |
| they were harnessing |
|
| I had harnessed |
| you had harnessed |
| he/she/it had harnessed |
| we had harnessed |
| you all had harnessed |
| they had harnessed |
|
| I had been harnessing |
| you had been harnessing |
| he/she/it had been harnessing |
| we had been harnessing |
| you all had been harnessing |
| they had been harnessing |
|
| Future |
| I will harness |
| you will harness |
| he/she/it will harness |
| we will harness |
| you all will harness |
| they will harness |
|
| I will be harnessing |
| you will be harnessing |
| he/she/it will be harnessing |
| we are harnessing |
| you all will be harnessing |
| they will be harnessing |
|
| I will have harnessed |
| you will have harnessed |
| he/she/it will have harnessed |
| we will have harnessed |
| you all will have harnessed |
| they will have harnessed |
|
| I will have been harnessing |
| you will have been harnessing |
| he/she/it will have been harnessing |
| we will have been harnessing |
| you all will have been harnessing |
| they will have been harnessing |
|
