English verb conjugation
CAN COPY

Regular verb: copy - copied - copied

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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