will fasten
Regular verb: fasten - fastened- fastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll fasten
you'll fasten
he'll fasten
we'll fasten
you'll fasten
they'll fasten 	I'll be fastening
you'll be fastening
he'll be fastening
we'll be fastening
you'll be fastening
they'll be fastening	I'll have fastened
you'll have fastened
he'll have fastened
we'll have fastened
you'll have fastened
they'll have fastened	I'll have been fastening
you'll have been fastening
he'll have been fastening
we'll have been fastening
you'll have been fastening
they'll have been fastening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't fasten
you won't fasten
he won't fasten
we won't fasten
you won't fasten
they won't fasten 	I won't be fastening
you won't be fastening
he won't be fastening
we won't be fastening
you won't be fastening
they won't be fastening	I won't have fastened
you won't have fastened
he won't have fastened
we won't have fastened
you won't have fastened
they won't have fastened	I won't have been fastening
you won't have been fastening
he won't have been fastening
we won't have been fastening
you won't have been fastening
they won't have been fastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I fasten?
will you fasten?
will he fasten?
will we fasten?
will you fasten?
will they fasten? 	will I be fastening?
will you be fastening?
will he be fastening?
will we be fastening?
will you be fastening?
will they be fastening? 	will I have fastened?
will you have fastened?
will he have fastened?
will we have fastened?
will you have fastened?
will they have fastened? 	will I have been fastening?
will you have been fastening?
will he have been fastening?
will we have been fastening?
will you have been fastening?
will they have been fastening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I fasten?
won't you fasten?
won't he fasten?
won't we fasten?
won't you fasten?
won't they fasten? 	won't I be fastening?
won't you be fastening?
won't he be fastening?
won't we be fastening?
won't you be fastening?
won't they be fastening? 	won't I have fastened?
won't you have fastened?
won't he have fastened?
won't we have fastened?
won't you have fastened?
won't they have fastened? 	won't I have been fastening?
won't you have been fastening?
won't he have been fastening?
won't we have been fastening?
won't you have been fastening?
won't they have been fastening?