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 cannot keep you cannot keep he cannot keep we cannot keep you cannot keep they cannot keep	I cannot be keeping you cannot be keeping he cannot be keeping we cannot be keeping you cannot be keeping they cannot be keeping
Perfect	V-ing perfect
I cannot have kept you cannot have kept he cannot have kept we cannot have kept you cannot have kept they cannot have kept	I cannot have been keeping you cannot have been keeping he cannot have been keeping we cannot have been keeping you cannot have been keeping they cannot 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 I not keep? can you not keep? can he not keep? can we not keep? can you not keep? can they not keep?	can I not be keeping? can you not be keeping? can he not be keeping? can we not be keeping? can you not be keeping? can they not be keeping?
Perfect	V-ing perfect
can I not have kept? can you not have kept? can he not have kept? can we not have kept? can you not have kept? can they not have kept?	can I not have been keeping? can you not have been keeping? can he not have been keeping? can we not have been keeping? can you not have been keeping? can they not have been keeping?