could scribe
Regular verb: scribe - scribed- scribed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could scribe
you could scribe
she could scribe
we could scribe
you could scribe
they could scribe 	I could be scribing
you could be scribing
she could be scribing
we could be scribing
you could be scribing
they could be scribing	I could have scribed
you could have scribed
she could have scribed
we could have scribed
you could have scribed
they could have scribed	I could have been scribing
you could have been scribing
she could have been scribing
we could have been scribing
you could have been scribing
they could have been scribing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't scribe
you couldn't scribe
she couldn't scribe
we couldn't scribe
you couldn't scribe
they couldn't scribe 	I couldn't be scribing
you couldn't be scribing
she couldn't be scribing
we couldn't be scribing
you couldn't be scribing
they couldn't be scribing	I couldn't have scribed
you couldn't have scribed
she couldn't have scribed
we couldn't have scribed
you couldn't have scribed
they couldn't have scribed	I couldn't have been scribing
you couldn't have been scribing
she couldn't have been scribing
we couldn't have been scribing
you couldn't have been scribing
they couldn't have been scribing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I scribe?
could you scribe?
could she scribe?
could we scribe?
could you scribe?
could they scribe? 	could I be scribing?
could you be scribing?
could she be scribing?
could we be scribing?
could you be scribing?
could they be scribing? 	could I have scribed?
could you have scribed?
could she have scribed?
could we have scribed?
could you have scribed?
could they have scribed? 	could I have been scribing?
could you have been scribing?
could she have been scribing?
could we have been scribing?
could you have been scribing?
could they have been scribing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I scribe?
couldn't you scribe?
couldn't she scribe?
couldn't we scribe?
couldn't you scribe?
couldn't they scribe? 	couldn't I be scribing?
couldn't you be scribing?
couldn't she be scribing?
couldn't we be scribing?
couldn't you be scribing?
couldn't they be scribing? 	couldn't I have scribed?
couldn't you have scribed?
couldn't she have scribed?
couldn't we have scribed?
couldn't you have scribed?
couldn't they have scribed? 	couldn't I have been scribing?
couldn't you have been scribing?
couldn't she have been scribing?
couldn't we have been scribing?
couldn't you have been scribing?
couldn't they have been scribing?