English verb conjugation
CAN PACE

Regular verb: pace - paced - paced

Affirmation

Simple form	V-ing form
I can pace you can pace he can pace we can pace you can pace they can pace	I can be pacing you can be pacing he 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 he 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 he 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 he cannot pace we cannot pace you cannot pace they cannot pace	I cannot be pacing you cannot be pacing he 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 he 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 he 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 he pace? can we pace? can you pace? can they pace?	can I be pacing? can you be pacing? can he 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 he 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 he 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 he 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 he 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 he 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 he not have been pacing? can we not have been pacing? can you not have been pacing? can they not have been pacing?