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 cannot ace you cannot ace he cannot ace we cannot ace you cannot ace they cannot ace	I cannot be acing you cannot be acing he cannot be acing we cannot be acing you cannot be acing they cannot be acing
Perfect	V-ing perfect
I cannot have aced you cannot have aced he cannot have aced we cannot have aced you cannot have aced they cannot have aced	I cannot have been acing you cannot have been acing he cannot have been acing we cannot have been acing you cannot have been acing they cannot 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 I not ace? can you not ace? can he not ace? can we not ace? can you not ace? can they not ace?	can I not be acing? can you not be acing? can he not be acing? can we not be acing? can you not be acing? can they not be acing?
Perfect	V-ing perfect
can I not have aced? can you not have aced? can he not have aced? can we not have aced? can you not have aced? can they not have aced?	can I not have been acing? can you not have been acing? can he not have been acing? can we not have been acing? can you not have been acing? can they not have been acing?