could forge
Regular verb: forge - forged- forged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could forge
you could forge
she could forge
we could forge
you could forge
they could forge 	I could be forging
you could be forging
she could be forging
we could be forging
you could be forging
they could be forging	I could have forged
you could have forged
she could have forged
we could have forged
you could have forged
they could have forged	I could have been forging
you could have been forging
she could have been forging
we could have been forging
you could have been forging
they could have been forging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not forge
you could not forge
she could not forge
we could not forge
you could not forge
they could not forge 	I could not be forging
you could not be forging
she could not be forging
we could not be forging
you could not be forging
they could not be forging	I could not have forged
you could not have forged
she could not have forged
we could not have forged
you could not have forged
they could not have forged	I could not have been forging
you could not have been forging
she could not have been forging
we could not have been forging
you could not have been forging
they could not have been forging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I forge?
could you forge?
could she forge?
could we forge?
could you forge?
could they forge? 	could I be forging?
could you be forging?
could she be forging?
could we be forging?
could you be forging?
could they be forging? 	could I have forged?
could you have forged?
could she have forged?
could we have forged?
could you have forged?
could they have forged? 	could I have been forging?
could you have been forging?
could she have been forging?
could we have been forging?
could you have been forging?
could they have been forging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not forge?
could you not forge?
could she not forge?
could we not forge?
could you not forge?
could they not forge? 	could I not be forging?
could you not be forging?
could she not be forging?
could we not be forging?
could you not be forging?
could they not be forging? 	could I not have forged?
could you not have forged?
could she not have forged?
could we not have forged?
could you not have forged?
could they not have forged? 	could I not have been forging?
could you not have been forging?
could she not have been forging?
could we not have been forging?
could you not have been forging?
could they not have been forging?