should overvalue
Regular verb: overvalue - overvalued- overvalued

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not overvalue
you should not overvalue
he should not overvalue
we should not overvalue
you should not overvalue
they should not overvalue 	I should not be overvaluing
you should not be overvaluing
he should not be overvaluing
we should not be overvaluing
you should not be overvaluing
they should not be overvaluing	I should not have overvalued
you should not have overvalued
he should not have overvalued
we should not have overvalued
you should not have overvalued
they should not have overvalued	I should not have been overvaluing
you should not have been overvaluing
he should not have been overvaluing
we should not have been overvaluing
you should not have been overvaluing
they should not have been overvaluing	

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

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