English verb conjugation
CAN CRAYON

Regular verb: crayon - crayoned - crayoned

Affirmation

Simple form	V-ing form
I can crayon you can crayon he can crayon we can crayon you can crayon they can crayon	I can be crayoning you can be crayoning he can be crayoning we can be crayoning you can be crayoning they can be crayoning
Perfect	V-ing perfect
I can have crayoned you can have crayoned he can have crayoned we can have crayoned you can have crayoned they can have crayoned	I can have been crayoning you can have been crayoning he can have been crayoning we can have been crayoning you can have been crayoning they can have been crayoning

Negation

Simple form	V-ing form
I cannot crayon you cannot crayon he cannot crayon we cannot crayon you cannot crayon they cannot crayon	I cannot be crayoning you cannot be crayoning he cannot be crayoning we cannot be crayoning you cannot be crayoning they cannot be crayoning
Perfect	V-ing perfect
I cannot have crayoned you cannot have crayoned he cannot have crayoned we cannot have crayoned you cannot have crayoned they cannot have crayoned	I cannot have been crayoning you cannot have been crayoning he cannot have been crayoning we cannot have been crayoning you cannot have been crayoning they cannot have been crayoning

Interrogative form

Simple form	V-ing form
can I crayon? can you crayon? can he crayon? can we crayon? can you crayon? can they crayon?	can I be crayoning? can you be crayoning? can he be crayoning? can we be crayoning? can you be crayoning? can they be crayoning?
Perfect	V-ing perfect
can I have crayoned? can you have crayoned? can he have crayoned? can we have crayoned? can you have crayoned? can they have crayoned?	can I have been crayoning? can you have been crayoning? can he have been crayoning? can we have been crayoning? can you have been crayoning? can they have been crayoning?

Interro-negative form

Simple form	V-ing form
can I not crayon? can you not crayon? can he not crayon? can we not crayon? can you not crayon? can they not crayon?	can I not be crayoning? can you not be crayoning? can he not be crayoning? can we not be crayoning? can you not be crayoning? can they not be crayoning?
Perfect	V-ing perfect
can I not have crayoned? can you not have crayoned? can he not have crayoned? can we not have crayoned? can you not have crayoned? can they not have crayoned?	can I not have been crayoning? can you not have been crayoning? can he not have been crayoning? can we not have been crayoning? can you not have been crayoning? can they not have been crayoning?