could verge
Regular verb: verge - verged- verged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could verge
you could verge
he could verge
we could verge
you could verge
they could verge 	I could be verging
you could be verging
he could be verging
we could be verging
you could be verging
they could be verging	I could have verged
you could have verged
he could have verged
we could have verged
you could have verged
they could have verged	I could have been verging
you could have been verging
he could have been verging
we could have been verging
you could have been verging
they could have been verging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not verge
you could not verge
he could not verge
we could not verge
you could not verge
they could not verge 	I could not be verging
you could not be verging
he could not be verging
we could not be verging
you could not be verging
they could not be verging	I could not have verged
you could not have verged
he could not have verged
we could not have verged
you could not have verged
they could not have verged	I could not have been verging
you could not have been verging
he could not have been verging
we could not have been verging
you could not have been verging
they could not have been verging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I verge?
could you verge?
could he verge?
could we verge?
could you verge?
could they verge? 	could I be verging?
could you be verging?
could he be verging?
could we be verging?
could you be verging?
could they be verging? 	could I have verged?
could you have verged?
could he have verged?
could we have verged?
could you have verged?
could they have verged? 	could I have been verging?
could you have been verging?
could he have been verging?
could we have been verging?
could you have been verging?
could they have been verging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not verge?
could you not verge?
could he not verge?
could we not verge?
could you not verge?
could they not verge? 	could I not be verging?
could you not be verging?
could he not be verging?
could we not be verging?
could you not be verging?
could they not be verging? 	could I not have verged?
could you not have verged?
could he not have verged?
could we not have verged?
could you not have verged?
could they not have verged? 	could I not have been verging?
could you not have been verging?
could he not have been verging?
could we not have been verging?
could you not have been verging?
could they not have been verging?