might unfasten
Regular verb: unfasten - unfastened- unfastened

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I might not unfasten
you might not unfasten
he might not unfasten
we might not unfasten
you might not unfasten
they might not unfasten 	I might not be unfastening
you might not be unfastening
he might not be unfastening
we might not be unfastening
you might not be unfastening
they might not be unfastening	I might not have unfastened
you might not have unfastened
he might not have unfastened
we might not have unfastened
you might not have unfastened
they might not have unfastened	I might not have been unfastening
you might not have been unfastening
he might not have been unfastening
we might not have been unfastening
you might not have been unfastening
they might not have been unfastening	

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

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