| Simple | Progressive | Perfect | Progressive |
| Present |
| I tweak |
| you tweak |
| he/she/it tweaks |
| we tweak |
| you all tweak |
| they tweak |
|
| I am tweaking |
| you are tweaking |
| he/she/it is tweaking |
| we are tweaking |
| you all are tweaking |
| they are tweaking |
|
| I have tweaked |
| you have tweaked |
| he/she/it has tweaked |
| we have tweaked |
| you all have tweaked |
| they have tweaked |
|
| I have been tweaking |
| you have been tweaking |
| he/she/it has been tweaking |
| we have been tweaking |
| you all have been tweaking |
| they have been tweaking |
|
| Past |
| I tweaked |
| you tweaked |
| he/she/it tweaked |
| we tweaked |
| you all tweaked |
| they tweaked |
|
| I was tweaking |
| you were tweaking |
| he/she/it was tweaking |
| we were tweaking |
| you all were tweaking |
| they were tweaking |
|
| I had tweaked |
| you had tweaked |
| he/she/it had tweaked |
| we had tweaked |
| you all had tweaked |
| they had tweaked |
|
| I had been tweaking |
| you had been tweaking |
| he/she/it had been tweaking |
| we had been tweaking |
| you all had been tweaking |
| they had been tweaking |
|
| Future |
| I will tweak |
| you will tweak |
| he/she/it will tweak |
| we will tweak |
| you all will tweak |
| they will tweak |
|
| I will be tweaking |
| you will be tweaking |
| he/she/it will be tweaking |
| we are tweaking |
| you all will be tweaking |
| they will be tweaking |
|
| I will have tweaked |
| you will have tweaked |
| he/she/it will have tweaked |
| we will have tweaked |
| you all will have tweaked |
| they will have tweaked |
|
| I will have been tweaking |
| you will have been tweaking |
| he/she/it will have been tweaking |
| we will have been tweaking |
| you all will have been tweaking |
| they will have been tweaking |
|
