English verb conjugation
CAN KEEP

Irregular verb: keep - kept - kept

Affirmation

Simple form	V-ing form
I can keep you can keep he can keep we can keep you can keep they can keep	I can be keeping you can be keeping he can be keeping we can be keeping you can be keeping they can be keeping
Perfect	V-ing perfect
I can have kept you can have kept he can have kept we can have kept you can have kept they can have kept	I can have been keeping you can have been keeping he can have been keeping we can have been keeping you can have been keeping they can have been keeping

Negation

Simple form	V-ing form
I can't keep you can't keep he can't keep we can't keep you can't keep they can't keep	I can't be keeping you can't be keeping he can't be keeping we can't be keeping you can't be keeping they can't be keeping
Perfect	V-ing perfect
I can't have kept you can't have kept he can't have kept we can't have kept you can't have kept they can't have kept	I can't have been keeping you can't have been keeping he can't have been keeping we can't have been keeping you can't have been keeping they can't have been keeping

Interrogative form

Simple form	V-ing form
can I keep? can you keep? can he keep? can we keep? can you keep? can they keep?	can I be keeping? can you be keeping? can he be keeping? can we be keeping? can you be keeping? can they be keeping?
Perfect	V-ing perfect
can I have kept? can you have kept? can he have kept? can we have kept? can you have kept? can they have kept?	can I have been keeping? can you have been keeping? can he have been keeping? can we have been keeping? can you have been keeping? can they have been keeping?

Interro-negative form

Simple form	V-ing form
can't I keep? can't you keep? can't he keep? can't we keep? can't you keep? can't they keep?	can't I be keeping? can't you be keeping? can't he be keeping? can't we be keeping? can't you be keeping? can't they be keeping?
Perfect	V-ing perfect
can't I have kept? can't you have kept? can't he have kept? can't we have kept? can't you have kept? can't they have kept?	can't I have been keeping? can't you have been keeping? can't he have been keeping? can't we have been keeping? can't you have been keeping? can't they have been keeping?