English verb conjugation
CAN CANCEL

Regular verb: cancel - cancelled - cancelled

Affirmation

Simple form	V-ing form
I can cancel you can cancel she can cancel we can cancel you can cancel they can cancel	I can be cancelling you can be cancelling she can be cancelling we can be cancelling you can be cancelling they can be cancelling
Perfect	V-ing perfect
I can have cancelled you can have cancelled she can have cancelled we can have cancelled you can have cancelled they can have cancelled	I can have been cancelling you can have been cancelling she can have been cancelling we can have been cancelling you can have been cancelling they can have been cancelling

Negation

Simple form	V-ing form
I cannot cancel you cannot cancel she cannot cancel we cannot cancel you cannot cancel they cannot cancel	I cannot be cancelling you cannot be cancelling she cannot be cancelling we cannot be cancelling you cannot be cancelling they cannot be cancelling
Perfect	V-ing perfect
I cannot have cancelled you cannot have cancelled she cannot have cancelled we cannot have cancelled you cannot have cancelled they cannot have cancelled	I cannot have been cancelling you cannot have been cancelling she cannot have been cancelling we cannot have been cancelling you cannot have been cancelling they cannot have been cancelling

Interrogative form

Simple form	V-ing form
can I cancel? can you cancel? can she cancel? can we cancel? can you cancel? can they cancel?	can I be cancelling? can you be cancelling? can she be cancelling? can we be cancelling? can you be cancelling? can they be cancelling?
Perfect	V-ing perfect
can I have cancelled? can you have cancelled? can she have cancelled? can we have cancelled? can you have cancelled? can they have cancelled?	can I have been cancelling? can you have been cancelling? can she have been cancelling? can we have been cancelling? can you have been cancelling? can they have been cancelling?

Interro-negative form

Simple form	V-ing form
can I not cancel? can you not cancel? can she not cancel? can we not cancel? can you not cancel? can they not cancel?	can I not be cancelling? can you not be cancelling? can she not be cancelling? can we not be cancelling? can you not be cancelling? can they not be cancelling?
Perfect	V-ing perfect
can I not have cancelled? can you not have cancelled? can she not have cancelled? can we not have cancelled? can you not have cancelled? can they not have cancelled?	can I not have been cancelling? can you not have been cancelling? can she not have been cancelling? can we not have been cancelling? can you not have been cancelling? can they not have been cancelling?