| Simple | Progressive | Perfect | Progressive |
| Present |
| I fasten |
| you fasten |
| he/she/it fastens |
| we fasten |
| you all fasten |
| they fasten |
|
| I am fastening |
| you are fastening |
| he/she/it is fastening |
| we are fastening |
| you all are fastening |
| they are fastening |
|
| I have fastened |
| you have fastened |
| he/she/it has fastened |
| we have fastened |
| you all have fastened |
| they have fastened |
|
| I have been fastening |
| you have been fastening |
| he/she/it has been fastening |
| we have been fastening |
| you all have been fastening |
| they have been fastening |
|
| Past |
| I fastened |
| you fastened |
| he/she/it fastened |
| we fastened |
| you all fastened |
| they fastened |
|
| I was fastening |
| you were fastening |
| he/she/it was fastening |
| we were fastening |
| you all were fastening |
| they were fastening |
|
| I had fastened |
| you had fastened |
| he/she/it had fastened |
| we had fastened |
| you all had fastened |
| they had fastened |
|
| I had been fastening |
| you had been fastening |
| he/she/it had been fastening |
| we had been fastening |
| you all had been fastening |
| they had been fastening |
|
| Future |
| I will fasten |
| you will fasten |
| he/she/it will fasten |
| we will fasten |
| you all will fasten |
| they will fasten |
|
| I will be fastening |
| you will be fastening |
| he/she/it will be fastening |
| we are fastening |
| you all will be fastening |
| they will be fastening |
|
| I will have fastened |
| you will have fastened |
| he/she/it will have fastened |
| we will have fastened |
| you all will have fastened |
| they will have fastened |
|
| I will have been fastening |
| you will have been fastening |
| he/she/it will have been fastening |
| we will have been fastening |
| you all will have been fastening |
| they will have been fastening |
|
