can unfasten
Verbe régulier : unfasten - unfastened- unfastened
Traduction française : défaire - ouvrir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can unfasten
you can unfasten
she can unfasten
we can unfasten
you can unfasten
they can unfasten 	I can be unfastening
you can be unfastening
she can be unfastening
we can be unfastening
you can be unfastening
they can be unfastening	I can have unfastened
you can have unfastened
she can have unfastened
we can have unfastened
you can have unfastened
they can have unfastened	I can have been unfastening
you can have been unfastening
she can have been unfastening
we can have been unfastening
you can have been unfastening
they can have been unfastening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't unfasten
you can't unfasten
she can't unfasten
we can't unfasten
you can't unfasten
they can't unfasten 	I can't be unfastening
you can't be unfastening
she can't be unfastening
we can't be unfastening
you can't be unfastening
they can't be unfastening	I can't have unfastened
you can't have unfastened
she can't have unfastened
we can't have unfastened
you can't have unfastened
they can't have unfastened	I can't have been unfastening
you can't have been unfastening
she can't have been unfastening
we can't have been unfastening
you can't have been unfastening
they can't have been unfastening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I unfasten?
can you unfasten?
can she unfasten?
can we unfasten?
can you unfasten?
can they unfasten? 	can I be unfastening?
can you be unfastening?
can she be unfastening?
can we be unfastening?
can you be unfastening?
can they be unfastening? 	can I have unfastened?
can you have unfastened?
can she have unfastened?
can we have unfastened?
can you have unfastened?
can they have unfastened? 	can I have been unfastening?
can you have been unfastening?
can she have been unfastening?
can we have been unfastening?
can you have been unfastening?
can they have been unfastening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I unfasten?
can't you unfasten?
can't she unfasten?
can't we unfasten?
can't you unfasten?
can't they unfasten? 	can't I be unfastening?
can't you be unfastening?
can't she be unfastening?
can't we be unfastening?
can't you be unfastening?
can't they be unfastening? 	can't I have unfastened?
can't you have unfastened?
can't she have unfastened?
can't we have unfastened?
can't you have unfastened?
can't they have unfastened? 	can't I have been unfastening?
can't you have been unfastening?
can't she have been unfastening?
can't we have been unfastening?
can't you have been unfastening?
can't they have been unfastening?