English verb conjugation
CAN CAP

Regular verb: cap - capped - capped

Affirmation

Simple form	V-ing form
I can cap you can cap he can cap we can cap you can cap they can cap	I can be capping you can be capping he can be capping we can be capping you can be capping they can be capping
Perfect	V-ing perfect
I can have capped you can have capped he can have capped we can have capped you can have capped they can have capped	I can have been capping you can have been capping he can have been capping we can have been capping you can have been capping they can have been capping

Negation

Simple form	V-ing form
I can't cap you can't cap he can't cap we can't cap you can't cap they can't cap	I can't be capping you can't be capping he can't be capping we can't be capping you can't be capping they can't be capping
Perfect	V-ing perfect
I can't have capped you can't have capped he can't have capped we can't have capped you can't have capped they can't have capped	I can't have been capping you can't have been capping he can't have been capping we can't have been capping you can't have been capping they can't have been capping

Interrogative form

Simple form	V-ing form
can I cap? can you cap? can he cap? can we cap? can you cap? can they cap?	can I be capping? can you be capping? can he be capping? can we be capping? can you be capping? can they be capping?
Perfect	V-ing perfect
can I have capped? can you have capped? can he have capped? can we have capped? can you have capped? can they have capped?	can I have been capping? can you have been capping? can he have been capping? can we have been capping? can you have been capping? can they have been capping?

Interro-negative form

Simple form	V-ing form
can't I cap? can't you cap? can't he cap? can't we cap? can't you cap? can't they cap?	can't I be capping? can't you be capping? can't he be capping? can't we be capping? can't you be capping? can't they be capping?
Perfect	V-ing perfect
can't I have capped? can't you have capped? can't he have capped? can't we have capped? can't you have capped? can't they have capped?	can't I have been capping? can't you have been capping? can't he have been capping? can't we have been capping? can't you have been capping? can't they have been capping?