might fasten
Verbo regular: fasten - fastened- fastened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I might fasten
you might fasten
he might fasten
we might fasten
you might fasten
they might fasten 	I might be fastening
you might be fastening
he might be fastening
we might be fastening
you might be fastening
they might be fastening	I might have fastened
you might have fastened
he might have fastened
we might have fastened
you might have fastened
they might have fastened	I might have been fastening
you might have been fastening
he might have been fastening
we might have been fastening
you might have been fastening
they might have been fastening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mightn't fasten
you mightn't fasten
he mightn't fasten
we mightn't fasten
you mightn't fasten
they mightn't fasten 	I mightn't be fastening
you mightn't be fastening
he mightn't be fastening
we mightn't be fastening
you mightn't be fastening
they mightn't be fastening	I mightn't have fastened
you mightn't have fastened
he mightn't have fastened
we mightn't have fastened
you mightn't have fastened
they mightn't have fastened	I mightn't have been fastening
you mightn't have been fastening
he mightn't have been fastening
we mightn't have been fastening
you mightn't have been fastening
they mightn't have been fastening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
might I fasten?
might you fasten?
might he fasten?
might we fasten?
might you fasten?
might they fasten? 	might I be fastening?
might you be fastening?
might he be fastening?
might we be fastening?
might you be fastening?
might they be fastening? 	might I have fastened?
might you have fastened?
might he have fastened?
might we have fastened?
might you have fastened?
might they have fastened? 	might I have been fastening?
might you have been fastening?
might he have been fastening?
might we have been fastening?
might you have been fastening?
might they have been fastening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mightn't I fasten?
mightn't you fasten?
mightn't he fasten?
mightn't we fasten?
mightn't you fasten?
mightn't they fasten? 	mightn't I be fastening?
mightn't you be fastening?
mightn't he be fastening?
mightn't we be fastening?
mightn't you be fastening?
mightn't they be fastening? 	mightn't I have fastened?
mightn't you have fastened?
mightn't he have fastened?
mightn't we have fastened?
mightn't you have fastened?
mightn't they have fastened? 	mightn't I have been fastening?
mightn't you have been fastening?
mightn't he have been fastening?
mightn't we have been fastening?
mightn't you have been fastening?
mightn't they have been fastening?