shall unfasten
Regular verb: unfasten - unfastened- unfastened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll unfasten
you'll unfasten
he'll unfasten
we'll unfasten
you'll unfasten
they'll unfasten 	I'll be unfastening
you'll be unfastening
he'll be unfastening
we'll be unfastening
you'll be unfastening
they'll be unfastening	I'll have unfastened
you'll have unfastened
he'll have unfastened
we'll have unfastened
you'll have unfastened
they'll have unfastened	I'll have been unfastening
you'll have been unfastening
he'll have been unfastening
we'll have been unfastening
you'll have been unfastening
they'll have been unfastening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shan't unfasten
you shan't unfasten
he shan't unfasten
we shan't unfasten
you shan't unfasten
they shan't unfasten 	I shan't be unfastening
you shan't be unfastening
he shan't be unfastening
we shan't be unfastening
you shan't be unfastening
they shan't be unfastening	I shan't have unfastened
you shan't have unfastened
he shan't have unfastened
we shan't have unfastened
you shan't have unfastened
they shan't have unfastened	I shan't have been unfastening
you shan't have been unfastening
he shan't have been unfastening
we shan't have been unfastening
you shan't have been unfastening
they shan't have been unfastening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I unfasten?
shall you unfasten?
shall he unfasten?
shall we unfasten?
shall you unfasten?
shall they unfasten? 	shall I be unfastening?
shall you be unfastening?
shall he be unfastening?
shall we be unfastening?
shall you be unfastening?
shall they be unfastening? 	shall I have unfastened?
shall you have unfastened?
shall he have unfastened?
shall we have unfastened?
shall you have unfastened?
shall they have unfastened? 	shall I have been unfastening?
shall you have been unfastening?
shall he have been unfastening?
shall we have been unfastening?
shall you have been unfastening?
shall they have been unfastening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shan't I unfasten?
shan't you unfasten?
shan't he unfasten?
shan't we unfasten?
shan't you unfasten?
shan't they unfasten? 	shan't I be unfastening?
shan't you be unfastening?
shan't he be unfastening?
shan't we be unfastening?
shan't you be unfastening?
shan't they be unfastening? 	shan't I have unfastened?
shan't you have unfastened?
shan't he have unfastened?
shan't we have unfastened?
shan't you have unfastened?
shan't they have unfastened? 	shan't I have been unfastening?
shan't you have been unfastening?
shan't he have been unfastening?
shan't we have been unfastening?
shan't you have been unfastening?
shan't they have been unfastening?