could copy
Regular verb: copy - copied- copied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could copy
you could copy
he could copy
we could copy
you could copy
they could copy 	I could be copying
you could be copying
he could be copying
we could be copying
you could be copying
they could be copying	I could have copied
you could have copied
he could have copied
we could have copied
you could have copied
they could have copied	I could have been copying
you could have been copying
he could have been copying
we could have been copying
you could have been copying
they could have been copying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't copy
you couldn't copy
he couldn't copy
we couldn't copy
you couldn't copy
they couldn't copy 	I couldn't be copying
you couldn't be copying
he couldn't be copying
we couldn't be copying
you couldn't be copying
they couldn't be copying	I couldn't have copied
you couldn't have copied
he couldn't have copied
we couldn't have copied
you couldn't have copied
they couldn't have copied	I couldn't have been copying
you couldn't have been copying
he couldn't have been copying
we couldn't have been copying
you couldn't have been copying
they couldn't have been copying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I copy?
could you copy?
could he copy?
could we copy?
could you copy?
could they copy? 	could I be copying?
could you be copying?
could he be copying?
could we be copying?
could you be copying?
could they be copying? 	could I have copied?
could you have copied?
could he have copied?
could we have copied?
could you have copied?
could they have copied? 	could I have been copying?
could you have been copying?
could he have been copying?
could we have been copying?
could you have been copying?
could they have been copying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I copy?
couldn't you copy?
couldn't he copy?
couldn't we copy?
couldn't you copy?
couldn't they copy? 	couldn't I be copying?
couldn't you be copying?
couldn't he be copying?
couldn't we be copying?
couldn't you be copying?
couldn't they be copying? 	couldn't I have copied?
couldn't you have copied?
couldn't he have copied?
couldn't we have copied?
couldn't you have copied?
couldn't they have copied? 	couldn't I have been copying?
couldn't you have been copying?
couldn't he have been copying?
couldn't we have been copying?
couldn't you have been copying?
couldn't they have been copying?