English verb conjugation
CAN SHARP

Regular verb: sharp - sharped - sharped

Affirmation

Simple form	V-ing form
I can sharp you can sharp he can sharp we can sharp you can sharp they can sharp	I can be sharping you can be sharping he can be sharping we can be sharping you can be sharping they can be sharping
Perfect	V-ing perfect
I can have sharped you can have sharped he can have sharped we can have sharped you can have sharped they can have sharped	I can have been sharping you can have been sharping he can have been sharping we can have been sharping you can have been sharping they can have been sharping

Negation

Simple form	V-ing form
I cannot sharp you cannot sharp he cannot sharp we cannot sharp you cannot sharp they cannot sharp	I cannot be sharping you cannot be sharping he cannot be sharping we cannot be sharping you cannot be sharping they cannot be sharping
Perfect	V-ing perfect
I cannot have sharped you cannot have sharped he cannot have sharped we cannot have sharped you cannot have sharped they cannot have sharped	I cannot have been sharping you cannot have been sharping he cannot have been sharping we cannot have been sharping you cannot have been sharping they cannot have been sharping

Interrogative form

Simple form	V-ing form
can I sharp? can you sharp? can he sharp? can we sharp? can you sharp? can they sharp?	can I be sharping? can you be sharping? can he be sharping? can we be sharping? can you be sharping? can they be sharping?
Perfect	V-ing perfect
can I have sharped? can you have sharped? can he have sharped? can we have sharped? can you have sharped? can they have sharped?	can I have been sharping? can you have been sharping? can he have been sharping? can we have been sharping? can you have been sharping? can they have been sharping?

Interro-negative form

Simple form	V-ing form
can I not sharp? can you not sharp? can he not sharp? can we not sharp? can you not sharp? can they not sharp?	can I not be sharping? can you not be sharping? can he not be sharping? can we not be sharping? can you not be sharping? can they not be sharping?
Perfect	V-ing perfect
can I not have sharped? can you not have sharped? can he not have sharped? can we not have sharped? can you not have sharped? can they not have sharped?	can I not have been sharping? can you not have been sharping? can he not have been sharping? can we not have been sharping? can you not have been sharping? can they not have been sharping?