can overvalue
Regular verb: overvalue - overvalued- overvalued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can overvalue
you can overvalue
she can overvalue
we can overvalue
you can overvalue
they can overvalue 	I can be overvaluing
you can be overvaluing
she can be overvaluing
we can be overvaluing
you can be overvaluing
they can be overvaluing	I can have overvalued
you can have overvalued
she can have overvalued
we can have overvalued
you can have overvalued
they can have overvalued	I can have been overvaluing
you can have been overvaluing
she can have been overvaluing
we can have been overvaluing
you can have been overvaluing
they can have been overvaluing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot overvalue
you cannot overvalue
she cannot overvalue
we cannot overvalue
you cannot overvalue
they cannot overvalue 	I cannot be overvaluing
you cannot be overvaluing
she cannot be overvaluing
we cannot be overvaluing
you cannot be overvaluing
they cannot be overvaluing	I cannot have overvalued
you cannot have overvalued
she cannot have overvalued
we cannot have overvalued
you cannot have overvalued
they cannot have overvalued	I cannot have been overvaluing
you cannot have been overvaluing
she cannot have been overvaluing
we cannot have been overvaluing
you cannot have been overvaluing
they cannot have been overvaluing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I overvalue?
can you overvalue?
can she overvalue?
can we overvalue?
can you overvalue?
can they overvalue? 	can I be overvaluing?
can you be overvaluing?
can she be overvaluing?
can we be overvaluing?
can you be overvaluing?
can they be overvaluing? 	can I have overvalued?
can you have overvalued?
can she have overvalued?
can we have overvalued?
can you have overvalued?
can they have overvalued? 	can I have been overvaluing?
can you have been overvaluing?
can she have been overvaluing?
can we have been overvaluing?
can you have been overvaluing?
can they have been overvaluing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not overvalue?
can you not overvalue?
can she not overvalue?
can we not overvalue?
can you not overvalue?
can they not overvalue? 	can I not be overvaluing?
can you not be overvaluing?
can she not be overvaluing?
can we not be overvaluing?
can you not be overvaluing?
can they not be overvaluing? 	can I not have overvalued?
can you not have overvalued?
can she not have overvalued?
can we not have overvalued?
can you not have overvalued?
can they not have overvalued? 	can I not have been overvaluing?
can you not have been overvaluing?
can she not have been overvaluing?
can we not have been overvaluing?
can you not have been overvaluing?
can they not have been overvaluing?