English verb conjugation
CAN ID

Regular verb: id - ided - ided

Affirmation

Simple form	V-ing form
I can id you can id he can id we can id you can id they can id	I can be iding you can be iding he can be iding we can be iding you can be iding they can be iding
Perfect	V-ing perfect
I can have ided you can have ided he can have ided we can have ided you can have ided they can have ided	I can have been iding you can have been iding he can have been iding we can have been iding you can have been iding they can have been iding

Negation

Simple form	V-ing form
I can't id you can't id he can't id we can't id you can't id they can't id	I can't be iding you can't be iding he can't be iding we can't be iding you can't be iding they can't be iding
Perfect	V-ing perfect
I can't have ided you can't have ided he can't have ided we can't have ided you can't have ided they can't have ided	I can't have been iding you can't have been iding he can't have been iding we can't have been iding you can't have been iding they can't have been iding

Interrogative form

Simple form	V-ing form
can I id? can you id? can he id? can we id? can you id? can they id?	can I be iding? can you be iding? can he be iding? can we be iding? can you be iding? can they be iding?
Perfect	V-ing perfect
can I have ided? can you have ided? can he have ided? can we have ided? can you have ided? can they have ided?	can I have been iding? can you have been iding? can he have been iding? can we have been iding? can you have been iding? can they have been iding?

Interro-negative form

Simple form	V-ing form
can't I id? can't you id? can't he id? can't we id? can't you id? can't they id?	can't I be iding? can't you be iding? can't he be iding? can't we be iding? can't you be iding? can't they be iding?
Perfect	V-ing perfect
can't I have ided? can't you have ided? can't he have ided? can't we have ided? can't you have ided? can't they have ided?	can't I have been iding? can't you have been iding? can't he have been iding? can't we have been iding? can't you have been iding? can't they have been iding?