| I | unfasten |
| you | unfasten |
| he/she/it | unfastens |
| we | unfasten |
| you | unfasten |
| they | unfasten |
| I | have unfastened |
| you | have unfastened |
| he/she/it | has unfastened |
| we | have unfastened |
| you | have unfastened |
| they | have unfastened |
| I | unfastened |
| you | unfastened |
| he/she/it | unfastened |
| we | unfastened |
| you | unfastened |
| they | unfastened |
| I | had unfastened |
| you | had unfastened |
| he/she/it | had unfastened |
| we | had unfastened |
| you | had unfastened |
| they | had unfastened |
| I | will unfasten |
| you | will unfasten |
| he/she/it | will unfasten |
| we | will unfasten |
| you | will unfasten |
| they | will unfasten |
| I | will have unfastened |
| you | will have unfastened |
| he/she/it | will have unfastened |
| we | will have unfastened |
| you | will have unfastened |
| they | will have unfastened |
| I | am unfastening |
| you | are unfastening |
| he/she/it | is unfastening |
| we | are unfastening |
| you | are unfastening |
| they | are unfastening |
| I | have been unfastening |
| you | have been unfastening |
| he/she/it | has been unfastening |
| we | have been unfastening |
| you | have been unfastening |
| they | have been unfastening |
| I | was unfastening |
| you | were unfastening |
| he/she/it | was unfastening |
| we | were unfastening |
| you | were unfastening |
| they | were unfastening |
| I | had been unfastening |
| you | had been unfastening |
| he/she/it | had been unfastening |
| we | had been unfastening |
| you | had been unfastening |
| they | had been unfastening |
| I | will be unfastening |
| you | will be unfastening |
| he/she/it | will be unfastening |
| we | will be unfastening |
| you | will be unfastening |
| they | will be unfastening |
| I | will have been unfastening |
| you | will have been unfastening |
| he/she/it | will have been unfastening |
| we | will have been unfastening |
| you | will have been unfastening |
| they | will have been unfastening |
| I | would unfasten |
| you | would unfasten |
| he/she/it | would unfasten |
| we | would unfasten |
| you | would unfasten |
| they | would unfasten |
| I | would have unfastened |
| you | would have unfastened |
| he/she/it | would have unfastened |
| we | would have unfastened |
| you | would have unfastened |
| they | would have unfastened |
| I | would be unfastening |
| you | would be unfastening |
| he/she/it | would be unfastening |
| we | would be unfastening |
| you | would be unfastening |
| they | would be unfastening |
| I | would have been unfastening |
| you | would have been unfastening |
| he/she/it | would have been unfastening |
| we | would have been unfastening |
| you | would have been unfastening |
| they | would have been unfastening |
| You | unfasten |
| we | Let's unfasten |
| You | unfasten |