English verb conjugation
CAN ACE

Regular verb: ace - aced - aced

Affirmation

Simple form	V-ing form
I can ace you can ace he can ace we can ace you can ace they can ace	I can be acing you can be acing he can be acing we can be acing you can be acing they can be acing
Perfect	V-ing perfect
I can have aced you can have aced he can have aced we can have aced you can have aced they can have aced	I can have been acing you can have been acing he can have been acing we can have been acing you can have been acing they can have been acing

Negation

Simple form	V-ing form
I can't ace you can't ace he can't ace we can't ace you can't ace they can't ace	I can't be acing you can't be acing he can't be acing we can't be acing you can't be acing they can't be acing
Perfect	V-ing perfect
I can't have aced you can't have aced he can't have aced we can't have aced you can't have aced they can't have aced	I can't have been acing you can't have been acing he can't have been acing we can't have been acing you can't have been acing they can't have been acing

Interrogative form

Simple form	V-ing form
can I ace? can you ace? can he ace? can we ace? can you ace? can they ace?	can I be acing? can you be acing? can he be acing? can we be acing? can you be acing? can they be acing?
Perfect	V-ing perfect
can I have aced? can you have aced? can he have aced? can we have aced? can you have aced? can they have aced?	can I have been acing? can you have been acing? can he have been acing? can we have been acing? can you have been acing? can they have been acing?

Interro-negative form

Simple form	V-ing form
can't I ace? can't you ace? can't he ace? can't we ace? can't you ace? can't they ace?	can't I be acing? can't you be acing? can't he be acing? can't we be acing? can't you be acing? can't they be acing?
Perfect	V-ing perfect
can't I have aced? can't you have aced? can't he have aced? can't we have aced? can't you have aced? can't they have aced?	can't I have been acing? can't you have been acing? can't he have been acing? can't we have been acing? can't you have been acing? can't they have been acing?