English verb conjugation
CAN VALUE

Regular verb: value - valued - valued

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I cannot value you cannot value he cannot value we cannot value you cannot value they cannot value	I cannot be valuing you cannot be valuing he cannot be valuing we cannot be valuing you cannot be valuing they cannot be valuing
Perfect	V-ing perfect
I cannot have valued you cannot have valued he cannot have valued we cannot have valued you cannot have valued they cannot have valued	I cannot have been valuing you cannot have been valuing he cannot have been valuing we cannot have been valuing you cannot have been valuing they cannot have been valuing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
can I not value? can you not value? can he not value? can we not value? can you not value? can they not value?	can I not be valuing? can you not be valuing? can he not be valuing? can we not be valuing? can you not be valuing? can they not be valuing?
Perfect	V-ing perfect
can I not have valued? can you not have valued? can he not have valued? can we not have valued? can you not have valued? can they not have valued?	can I not have been valuing? can you not have been valuing? can he not have been valuing? can we not have been valuing? can you not have been valuing? can they not have been valuing?