English verb conjugation
CAN UNDERRATE

Regular verb: underrate - underrated - underrated

Affirmation

Simple form	V-ing form
I can underrate you can underrate she can underrate we can underrate you can underrate they can underrate	I can be underrating you can be underrating she can be underrating we can be underrating you can be underrating they can be underrating
Perfect	V-ing perfect
I can have underrated you can have underrated she can have underrated we can have underrated you can have underrated they can have underrated	I can have been underrating you can have been underrating she can have been underrating we can have been underrating you can have been underrating they can have been underrating

Negation

Simple form	V-ing form
I cannot underrate you cannot underrate she cannot underrate we cannot underrate you cannot underrate they cannot underrate	I cannot be underrating you cannot be underrating she cannot be underrating we cannot be underrating you cannot be underrating they cannot be underrating
Perfect	V-ing perfect
I cannot have underrated you cannot have underrated she cannot have underrated we cannot have underrated you cannot have underrated they cannot have underrated	I cannot have been underrating you cannot have been underrating she cannot have been underrating we cannot have been underrating you cannot have been underrating they cannot have been underrating

Interrogative form

Simple form	V-ing form
can I underrate? can you underrate? can she underrate? can we underrate? can you underrate? can they underrate?	can I be underrating? can you be underrating? can she be underrating? can we be underrating? can you be underrating? can they be underrating?
Perfect	V-ing perfect
can I have underrated? can you have underrated? can she have underrated? can we have underrated? can you have underrated? can they have underrated?	can I have been underrating? can you have been underrating? can she have been underrating? can we have been underrating? can you have been underrating? can they have been underrating?

Interro-negative form

Simple form	V-ing form
can I not underrate? can you not underrate? can she not underrate? can we not underrate? can you not underrate? can they not underrate?	can I not be underrating? can you not be underrating? can she not be underrating? can we not be underrating? can you not be underrating? can they not be underrating?
Perfect	V-ing perfect
can I not have underrated? can you not have underrated? can she not have underrated? can we not have underrated? can you not have underrated? can they not have underrated?	can I not have been underrating? can you not have been underrating? can she not have been underrating? can we not have been underrating? can you not have been underrating? can they not have been underrating?