could overemphasize
Regular verb: overemphasize - overemphasized- overemphasized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could overemphasize
you could overemphasize
he could overemphasize
we could overemphasize
you could overemphasize
they could overemphasize 	I could be overemphasizing
you could be overemphasizing
he could be overemphasizing
we could be overemphasizing
you could be overemphasizing
they could be overemphasizing	I could have overemphasized
you could have overemphasized
he could have overemphasized
we could have overemphasized
you could have overemphasized
they could have overemphasized	I could have been overemphasizing
you could have been overemphasizing
he could have been overemphasizing
we could have been overemphasizing
you could have been overemphasizing
they could have been overemphasizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't overemphasize
you couldn't overemphasize
he couldn't overemphasize
we couldn't overemphasize
you couldn't overemphasize
they couldn't overemphasize 	I couldn't be overemphasizing
you couldn't be overemphasizing
he couldn't be overemphasizing
we couldn't be overemphasizing
you couldn't be overemphasizing
they couldn't be overemphasizing	I couldn't have overemphasized
you couldn't have overemphasized
he couldn't have overemphasized
we couldn't have overemphasized
you couldn't have overemphasized
they couldn't have overemphasized	I couldn't have been overemphasizing
you couldn't have been overemphasizing
he couldn't have been overemphasizing
we couldn't have been overemphasizing
you couldn't have been overemphasizing
they couldn't have been overemphasizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I overemphasize?
could you overemphasize?
could he overemphasize?
could we overemphasize?
could you overemphasize?
could they overemphasize? 	could I be overemphasizing?
could you be overemphasizing?
could he be overemphasizing?
could we be overemphasizing?
could you be overemphasizing?
could they be overemphasizing? 	could I have overemphasized?
could you have overemphasized?
could he have overemphasized?
could we have overemphasized?
could you have overemphasized?
could they have overemphasized? 	could I have been overemphasizing?
could you have been overemphasizing?
could he have been overemphasizing?
could we have been overemphasizing?
could you have been overemphasizing?
could they have been overemphasizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I overemphasize?
couldn't you overemphasize?
couldn't he overemphasize?
couldn't we overemphasize?
couldn't you overemphasize?
couldn't they overemphasize? 	couldn't I be overemphasizing?
couldn't you be overemphasizing?
couldn't he be overemphasizing?
couldn't we be overemphasizing?
couldn't you be overemphasizing?
couldn't they be overemphasizing? 	couldn't I have overemphasized?
couldn't you have overemphasized?
couldn't he have overemphasized?
couldn't we have overemphasized?
couldn't you have overemphasized?
couldn't they have overemphasized? 	couldn't I have been overemphasizing?
couldn't you have been overemphasizing?
couldn't he have been overemphasizing?
couldn't we have been overemphasizing?
couldn't you have been overemphasizing?
couldn't they have been overemphasizing?