could mimeograph
Regular verb: mimeograph - mimeographed- mimeographed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could mimeograph
you could mimeograph
he could mimeograph
we could mimeograph
you could mimeograph
they could mimeograph 	I could be mimeographing
you could be mimeographing
he could be mimeographing
we could be mimeographing
you could be mimeographing
they could be mimeographing	I could have mimeographed
you could have mimeographed
he could have mimeographed
we could have mimeographed
you could have mimeographed
they could have mimeographed	I could have been mimeographing
you could have been mimeographing
he could have been mimeographing
we could have been mimeographing
you could have been mimeographing
they could have been mimeographing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't mimeograph
you couldn't mimeograph
he couldn't mimeograph
we couldn't mimeograph
you couldn't mimeograph
they couldn't mimeograph 	I couldn't be mimeographing
you couldn't be mimeographing
he couldn't be mimeographing
we couldn't be mimeographing
you couldn't be mimeographing
they couldn't be mimeographing	I couldn't have mimeographed
you couldn't have mimeographed
he couldn't have mimeographed
we couldn't have mimeographed
you couldn't have mimeographed
they couldn't have mimeographed	I couldn't have been mimeographing
you couldn't have been mimeographing
he couldn't have been mimeographing
we couldn't have been mimeographing
you couldn't have been mimeographing
they couldn't have been mimeographing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I mimeograph?
could you mimeograph?
could he mimeograph?
could we mimeograph?
could you mimeograph?
could they mimeograph? 	could I be mimeographing?
could you be mimeographing?
could he be mimeographing?
could we be mimeographing?
could you be mimeographing?
could they be mimeographing? 	could I have mimeographed?
could you have mimeographed?
could he have mimeographed?
could we have mimeographed?
could you have mimeographed?
could they have mimeographed? 	could I have been mimeographing?
could you have been mimeographing?
could he have been mimeographing?
could we have been mimeographing?
could you have been mimeographing?
could they have been mimeographing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I mimeograph?
couldn't you mimeograph?
couldn't he mimeograph?
couldn't we mimeograph?
couldn't you mimeograph?
couldn't they mimeograph? 	couldn't I be mimeographing?
couldn't you be mimeographing?
couldn't he be mimeographing?
couldn't we be mimeographing?
couldn't you be mimeographing?
couldn't they be mimeographing? 	couldn't I have mimeographed?
couldn't you have mimeographed?
couldn't he have mimeographed?
couldn't we have mimeographed?
couldn't you have mimeographed?
couldn't they have mimeographed? 	couldn't I have been mimeographing?
couldn't you have been mimeographing?
couldn't he have been mimeographing?
couldn't we have been mimeographing?
couldn't you have been mimeographing?
couldn't they have been mimeographing?