can value
Verbe régulier : value - valued- valued
Traduction française : expertiser - apprécier 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can value
you can value
he can value
we can value
you can value
they can value 	I can be valuing
you can be valuing
he can be valuing
we can be valuing
you can be valuing
they can be valuing	I can have valued
you can have valued
he can have valued
we can have valued
you can have valued
they can have valued	I can have been valuing
you can have been valuing
he can have been valuing
we can have been valuing
you can have been valuing
they can have been valuing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can't value
you can't value
he can't value
we can't value
you can't value
they can't value 	I can't be valuing
you can't be valuing
he can't be valuing
we can't be valuing
you can't be valuing
they can't be valuing	I can't have valued
you can't have valued
he can't have valued
we can't have valued
you can't have valued
they can't have valued	I can't have been valuing
you can't have been valuing
he can't have been valuing
we can't have been valuing
you can't have been valuing
they can't have been valuing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I value?
can you value?
can he value?
can we value?
can you value?
can they value? 	can I be valuing?
can you be valuing?
can he be valuing?
can we be valuing?
can you be valuing?
can they be valuing? 	can I have valued?
can you have valued?
can he have valued?
can we have valued?
can you have valued?
can they have valued? 	can I have been valuing?
can you have been valuing?
can he have been valuing?
can we have been valuing?
can you have been valuing?
can they have been valuing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can't I value?
can't you value?
can't he value?
can't we value?
can't you value?
can't they value? 	can't I be valuing?
can't you be valuing?
can't he be valuing?
can't we be valuing?
can't you be valuing?
can't they be valuing? 	can't I have valued?
can't you have valued?
can't he have valued?
can't we have valued?
can't you have valued?
can't they have valued? 	can't I have been valuing?
can't you have been valuing?
can't he have been valuing?
can't we have been valuing?
can't you have been valuing?
can't they have been valuing?