English verb conjugation
CAN MANAGE

Regular verb: manage - managed - managed

Affirmation

Simple form	V-ing form
I can manage you can manage he can manage we can manage you can manage they can manage	I can be managing you can be managing he can be managing we can be managing you can be managing they can be managing
Perfect	V-ing perfect
I can have managed you can have managed he can have managed we can have managed you can have managed they can have managed	I can have been managing you can have been managing he can have been managing we can have been managing you can have been managing they can have been managing

Negation

Simple form	V-ing form
I cannot manage you cannot manage he cannot manage we cannot manage you cannot manage they cannot manage	I cannot be managing you cannot be managing he cannot be managing we cannot be managing you cannot be managing they cannot be managing
Perfect	V-ing perfect
I cannot have managed you cannot have managed he cannot have managed we cannot have managed you cannot have managed they cannot have managed	I cannot have been managing you cannot have been managing he cannot have been managing we cannot have been managing you cannot have been managing they cannot have been managing

Interrogative form

Simple form	V-ing form
can I manage? can you manage? can he manage? can we manage? can you manage? can they manage?	can I be managing? can you be managing? can he be managing? can we be managing? can you be managing? can they be managing?
Perfect	V-ing perfect
can I have managed? can you have managed? can he have managed? can we have managed? can you have managed? can they have managed?	can I have been managing? can you have been managing? can he have been managing? can we have been managing? can you have been managing? can they have been managing?

Interro-negative form

Simple form	V-ing form
can I not manage? can you not manage? can he not manage? can we not manage? can you not manage? can they not manage?	can I not be managing? can you not be managing? can he not be managing? can we not be managing? can you not be managing? can they not be managing?
Perfect	V-ing perfect
can I not have managed? can you not have managed? can he not have managed? can we not have managed? can you not have managed? can they not have managed?	can I not have been managing? can you not have been managing? can he not have been managing? can we not have been managing? can you not have been managing? can they not have been managing?