| Simple | Progressive | Perfect | Progressive |
| Present |
| I unbolt |
| you unbolt |
| he/she/it unbolts |
| we unbolt |
| you all unbolt |
| they unbolt |
|
| I am unbolting |
| you are unbolting |
| he/she/it is unbolting |
| we are unbolting |
| you all are unbolting |
| they are unbolting |
|
| I have unbolted |
| you have unbolted |
| he/she/it has unbolted |
| we have unbolted |
| you all have unbolted |
| they have unbolted |
|
| I have been unbolting |
| you have been unbolting |
| he/she/it has been unbolting |
| we have been unbolting |
| you all have been unbolting |
| they have been unbolting |
|
| Past |
| I unbolted |
| you unbolted |
| he/she/it unbolted |
| we unbolted |
| you all unbolted |
| they unbolted |
|
| I was unbolting |
| you were unbolting |
| he/she/it was unbolting |
| we were unbolting |
| you all were unbolting |
| they were unbolting |
|
| I had unbolted |
| you had unbolted |
| he/she/it had unbolted |
| we had unbolted |
| you all had unbolted |
| they had unbolted |
|
| I had been unbolting |
| you had been unbolting |
| he/she/it had been unbolting |
| we had been unbolting |
| you all had been unbolting |
| they had been unbolting |
|
| Future |
| I will unbolt |
| you will unbolt |
| he/she/it will unbolt |
| we will unbolt |
| you all will unbolt |
| they will unbolt |
|
| I will be unbolting |
| you will be unbolting |
| he/she/it will be unbolting |
| we are unbolting |
| you all will be unbolting |
| they will be unbolting |
|
| I will have unbolted |
| you will have unbolted |
| he/she/it will have unbolted |
| we will have unbolted |
| you all will have unbolted |
| they will have unbolted |
|
| I will have been unbolting |
| you will have been unbolting |
| he/she/it will have been unbolting |
| we will have been unbolting |
| you all will have been unbolting |
| they will have been unbolting |
|
