Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could cover overlap you could cover overlap he could cover overlap we could cover overlap you could cover overlap they could cover overlap
V-ing form
I could be cover overlaping you could be cover overlaping he could be cover overlaping we could be cover overlaping you could be cover overlaping they could be cover overlaping
Perfect
I could have cover overlaped you could have cover overlaped he could have cover overlaped we could have cover overlaped you could have cover overlaped they could have cover overlaped
V-ing perfect
I could have been cover overlaping you could have been cover overlaping he could have been cover overlaping we could have been cover overlaping you could have been cover overlaping they could have been cover overlaping
Negation
Simple form
I could not cover overlap you could not cover overlap he could not cover overlap we could not cover overlap you could not cover overlap they could not cover overlap
V-ing form
I could not be cover overlaping you could not be cover overlaping he could not be cover overlaping we could not be cover overlaping you could not be cover overlaping they could not be cover overlaping
Perfect
I could not have cover overlaped you could not have cover overlaped he could not have cover overlaped we could not have cover overlaped you could not have cover overlaped they could not have cover overlaped
V-ing perfect
I could not have been cover overlaping you could not have been cover overlaping he could not have been cover overlaping we could not have been cover overlaping you could not have been cover overlaping they could not have been cover overlaping
Interrogative form
Simple form
could I cover overlap? could you cover overlap? could he cover overlap? could we cover overlap? could you cover overlap? could they cover overlap?
V-ing form
could I be cover overlaping? could you be cover overlaping? could he be cover overlaping? could we be cover overlaping? could you be cover overlaping? could they be cover overlaping?
Perfect
could I have cover overlaped? could you have cover overlaped? could he have cover overlaped? could we have cover overlaped? could you have cover overlaped? could they have cover overlaped?
V-ing perfect
could I have been cover overlaping? could you have been cover overlaping? could he have been cover overlaping? could we have been cover overlaping? could you have been cover overlaping? could they have been cover overlaping?
Interro-negative form
Simple form
could I not cover overlap? could you not cover overlap? could he not cover overlap? could we not cover overlap? could you not cover overlap? could they not cover overlap?
V-ing form
could I not be cover overlaping? could you not be cover overlaping? could he not be cover overlaping? could we not be cover overlaping? could you not be cover overlaping? could they not be cover overlaping?
Perfect
could I not have cover overlaped? could you not have cover overlaped? could he not have cover overlaped? could we not have cover overlaped? could you not have cover overlaped? could they not have cover overlaped?
V-ing perfect
could I not have been cover overlaping? could you not have been cover overlaping? could he not have been cover overlaping? could we not have been cover overlaping? could you not have been cover overlaping? could they not have been cover overlaping?