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 cannot cap you cannot cap he cannot cap we cannot cap you cannot cap they cannot cap	I cannot be capping you cannot be capping he cannot be capping we cannot be capping you cannot be capping they cannot be capping
Perfect	V-ing perfect
I cannot have capped you cannot have capped he cannot have capped we cannot have capped you cannot have capped they cannot have capped	I cannot have been capping you cannot have been capping he cannot have been capping we cannot have been capping you cannot have been capping they cannot 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 I not cap? can you not cap? can he not cap? can we not cap? can you not cap? can they not cap?	can I not be capping? can you not be capping? can he not be capping? can we not be capping? can you not be capping? can they not be capping?
Perfect	V-ing perfect
can I not have capped? can you not have capped? can he not have capped? can we not have capped? can you not have capped? can they not have capped?	can I not have been capping? can you not have been capping? can he not have been capping? can we not have been capping? can you not have been capping? can they not have been capping?