| Present "harness" | I | harness | |
| Present Continuous "harness" | I | am harnessing | |
| Simple past "harness" | I | harnessed | |
| Past Continuous "harness" | I | was harnessing | |
| Present perfect "harness" | I | have harnessed | |
| Present perfect continuous "harness" | I | have been harnessing | |
| Past perfect "harness" | I | had harnessed | |
| Past perfect continuous "harness" | I | had been harnessing | |
| Future "harness" | I | will harness | |
| Future continuous "harness" | I | will be harnessing | |
| Future perfect "harness" | I | will have harnessed | |
| Future perfect continuous "harness" | I | will have been harnessing |