| I | fasten |
| you | fasten |
| he/she/it | fastens |
| we | fasten |
| you | fasten |
| they | fasten |
| I | have fastened |
| you | have fastened |
| he/she/it | has fastened |
| we | have fastened |
| you | have fastened |
| they | have fastened |
| I | fastened |
| you | fastened |
| he/she/it | fastened |
| we | fastened |
| you | fastened |
| they | fastened |
| I | had fastened |
| you | had fastened |
| he/she/it | had fastened |
| we | had fastened |
| you | had fastened |
| they | had fastened |
| I | will fasten |
| you | will fasten |
| he/she/it | will fasten |
| we | will fasten |
| you | will fasten |
| they | will fasten |
| I | will have fastened |
| you | will have fastened |
| he/she/it | will have fastened |
| we | will have fastened |
| you | will have fastened |
| they | will have fastened |
| I | am fastening |
| you | are fastening |
| he/she/it | is fastening |
| we | are fastening |
| you | are fastening |
| they | are fastening |
| I | have been fastening |
| you | have been fastening |
| he/she/it | has been fastening |
| we | have been fastening |
| you | have been fastening |
| they | have been fastening |
| I | was fastening |
| you | were fastening |
| he/she/it | was fastening |
| we | were fastening |
| you | were fastening |
| they | were fastening |
| I | had been fastening |
| you | had been fastening |
| he/she/it | had been fastening |
| we | had been fastening |
| you | had been fastening |
| they | had been fastening |
| I | will be fastening |
| you | will be fastening |
| he/she/it | will be fastening |
| we | will be fastening |
| you | will be fastening |
| they | will be fastening |
| I | will have been fastening |
| you | will have been fastening |
| he/she/it | will have been fastening |
| we | will have been fastening |
| you | will have been fastening |
| they | will have been fastening |
| I | would fasten |
| you | would fasten |
| he/she/it | would fasten |
| we | would fasten |
| you | would fasten |
| they | would fasten |
| I | would have fastened |
| you | would have fastened |
| he/she/it | would have fastened |
| we | would have fastened |
| you | would have fastened |
| they | would have fastened |
| I | would be fastening |
| you | would be fastening |
| he/she/it | would be fastening |
| we | would be fastening |
| you | would be fastening |
| they | would be fastening |
| I | would have been fastening |
| you | would have been fastening |
| he/she/it | would have been fastening |
| we | would have been fastening |
| you | would have been fastening |
| they | would have been fastening |
| You | fasten |
| we | Let's fasten |
| You | fasten |