will knuckle
Regular verb: knuckle - knuckled- knuckled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll knuckle
you'll knuckle
he'll knuckle
we'll knuckle
you'll knuckle
they'll knuckle 	I'll be knuckling
you'll be knuckling
he'll be knuckling
we'll be knuckling
you'll be knuckling
they'll be knuckling	I'll have knuckled
you'll have knuckled
he'll have knuckled
we'll have knuckled
you'll have knuckled
they'll have knuckled	I'll have been knuckling
you'll have been knuckling
he'll have been knuckling
we'll have been knuckling
you'll have been knuckling
they'll have been knuckling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't knuckle
you won't knuckle
he won't knuckle
we won't knuckle
you won't knuckle
they won't knuckle 	I won't be knuckling
you won't be knuckling
he won't be knuckling
we won't be knuckling
you won't be knuckling
they won't be knuckling	I won't have knuckled
you won't have knuckled
he won't have knuckled
we won't have knuckled
you won't have knuckled
they won't have knuckled	I won't have been knuckling
you won't have been knuckling
he won't have been knuckling
we won't have been knuckling
you won't have been knuckling
they won't have been knuckling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I knuckle?
will you knuckle?
will he knuckle?
will we knuckle?
will you knuckle?
will they knuckle? 	will I be knuckling?
will you be knuckling?
will he be knuckling?
will we be knuckling?
will you be knuckling?
will they be knuckling? 	will I have knuckled?
will you have knuckled?
will he have knuckled?
will we have knuckled?
will you have knuckled?
will they have knuckled? 	will I have been knuckling?
will you have been knuckling?
will he have been knuckling?
will we have been knuckling?
will you have been knuckling?
will they have been knuckling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I knuckle?
won't you knuckle?
won't he knuckle?
won't we knuckle?
won't you knuckle?
won't they knuckle? 	won't I be knuckling?
won't you be knuckling?
won't he be knuckling?
won't we be knuckling?
won't you be knuckling?
won't they be knuckling? 	won't I have knuckled?
won't you have knuckled?
won't he have knuckled?
won't we have knuckled?
won't you have knuckled?
won't they have knuckled? 	won't I have been knuckling?
won't you have been knuckling?
won't he have been knuckling?
won't we have been knuckling?
won't you have been knuckling?
won't they have been knuckling?