I could overdevelop you could overdevelop he could overdevelop we could overdevelop you could overdevelop they could overdevelop
V-ing form
I could be overdeveloping you could be overdeveloping he could be overdeveloping we could be overdeveloping you could be overdeveloping they could be overdeveloping
Perfect
I could have overdeveloped you could have overdeveloped he could have overdeveloped we could have overdeveloped you could have overdeveloped they could have overdeveloped
V-ing perfect
I could have been overdeveloping you could have been overdeveloping he could have been overdeveloping we could have been overdeveloping you could have been overdeveloping they could have been overdeveloping
Negation
Simple form
I could not overdevelop you could not overdevelop he could not overdevelop we could not overdevelop you could not overdevelop they could not overdevelop
V-ing form
I could not be overdeveloping you could not be overdeveloping he could not be overdeveloping we could not be overdeveloping you could not be overdeveloping they could not be overdeveloping
Perfect
I could not have overdeveloped you could not have overdeveloped he could not have overdeveloped we could not have overdeveloped you could not have overdeveloped they could not have overdeveloped
V-ing perfect
I could not have been overdeveloping you could not have been overdeveloping he could not have been overdeveloping we could not have been overdeveloping you could not have been overdeveloping they could not have been overdeveloping
Interrogative form
Simple form
could I overdevelop? could you overdevelop? could he overdevelop? could we overdevelop? could you overdevelop? could they overdevelop?
V-ing form
could I be overdeveloping? could you be overdeveloping? could he be overdeveloping? could we be overdeveloping? could you be overdeveloping? could they be overdeveloping?
Perfect
could I have overdeveloped? could you have overdeveloped? could he have overdeveloped? could we have overdeveloped? could you have overdeveloped? could they have overdeveloped?
V-ing perfect
could I have been overdeveloping? could you have been overdeveloping? could he have been overdeveloping? could we have been overdeveloping? could you have been overdeveloping? could they have been overdeveloping?
Interro-negative form
Simple form
could I not overdevelop? could you not overdevelop? could he not overdevelop? could we not overdevelop? could you not overdevelop? could they not overdevelop?
V-ing form
could I not be overdeveloping? could you not be overdeveloping? could he not be overdeveloping? could we not be overdeveloping? could you not be overdeveloping? could they not be overdeveloping?
Perfect
could I not have overdeveloped? could you not have overdeveloped? could he not have overdeveloped? could we not have overdeveloped? could you not have overdeveloped? could they not have overdeveloped?
V-ing perfect
could I not have been overdeveloping? could you not have been overdeveloping? could he not have been overdeveloping? could we not have been overdeveloping? could you not have been overdeveloping? could they not have been overdeveloping?