English verb conjugation
CAN PACE

Regular verb: pace - paced - paced

Affirmation

Simple form	V-ing form
I can pace you can pace she can pace we can pace you can pace they can pace	I can be pacing you can be pacing she can be pacing we can be pacing you can be pacing they can be pacing
Perfect	V-ing perfect
I can have paced you can have paced she can have paced we can have paced you can have paced they can have paced	I can have been pacing you can have been pacing she can have been pacing we can have been pacing you can have been pacing they can have been pacing

Negation

Simple form	V-ing form
I cannot pace you cannot pace she cannot pace we cannot pace you cannot pace they cannot pace	I cannot be pacing you cannot be pacing she cannot be pacing we cannot be pacing you cannot be pacing they cannot be pacing
Perfect	V-ing perfect
I cannot have paced you cannot have paced she cannot have paced we cannot have paced you cannot have paced they cannot have paced	I cannot have been pacing you cannot have been pacing she cannot have been pacing we cannot have been pacing you cannot have been pacing they cannot have been pacing

Interrogative form

Simple form	V-ing form
can I pace? can you pace? can she pace? can we pace? can you pace? can they pace?	can I be pacing? can you be pacing? can she be pacing? can we be pacing? can you be pacing? can they be pacing?
Perfect	V-ing perfect
can I have paced? can you have paced? can she have paced? can we have paced? can you have paced? can they have paced?	can I have been pacing? can you have been pacing? can she have been pacing? can we have been pacing? can you have been pacing? can they have been pacing?

Interro-negative form

Simple form	V-ing form
can I not pace? can you not pace? can she not pace? can we not pace? can you not pace? can they not pace?	can I not be pacing? can you not be pacing? can she not be pacing? can we not be pacing? can you not be pacing? can they not be pacing?
Perfect	V-ing perfect
can I not have paced? can you not have paced? can she not have paced? can we not have paced? can you not have paced? can they not have paced?	can I not have been pacing? can you not have been pacing? can she not have been pacing? can we not have been pacing? can you not have been pacing? can they not have been pacing?