can factor
Verbe régulier : factor - factored- factored

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can factor
you can factor
he can factor
we can factor
you can factor
they can factor 	I can be factoring
you can be factoring
he can be factoring
we can be factoring
you can be factoring
they can be factoring	I can have factored
you can have factored
he can have factored
we can have factored
you can have factored
they can have factored	I can have been factoring
you can have been factoring
he can have been factoring
we can have been factoring
you can have been factoring
they can have been factoring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't factor
you can't factor
he can't factor
we can't factor
you can't factor
they can't factor 	I can't be factoring
you can't be factoring
he can't be factoring
we can't be factoring
you can't be factoring
they can't be factoring	I can't have factored
you can't have factored
he can't have factored
we can't have factored
you can't have factored
they can't have factored	I can't have been factoring
you can't have been factoring
he can't have been factoring
we can't have been factoring
you can't have been factoring
they can't have been factoring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I factor?
can you factor?
can he factor?
can we factor?
can you factor?
can they factor? 	can I be factoring?
can you be factoring?
can he be factoring?
can we be factoring?
can you be factoring?
can they be factoring? 	can I have factored?
can you have factored?
can he have factored?
can we have factored?
can you have factored?
can they have factored? 	can I have been factoring?
can you have been factoring?
can he have been factoring?
can we have been factoring?
can you have been factoring?
can they have been factoring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I factor?
can't you factor?
can't he factor?
can't we factor?
can't you factor?
can't they factor? 	can't I be factoring?
can't you be factoring?
can't he be factoring?
can't we be factoring?
can't you be factoring?
can't they be factoring? 	can't I have factored?
can't you have factored?
can't he have factored?
can't we have factored?
can't you have factored?
can't they have factored? 	can't I have been factoring?
can't you have been factoring?
can't he have been factoring?
can't we have been factoring?
can't you have been factoring?
can't they have been factoring?