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 can't crayon you can't crayon he can't crayon we can't crayon you can't crayon they can't crayon	I can't be crayoning you can't be crayoning he can't be crayoning we can't be crayoning you can't be crayoning they can't be crayoning
Perfect	V-ing perfect
I can't have crayoned you can't have crayoned he can't have crayoned we can't have crayoned you can't have crayoned they can't have crayoned	I can't have been crayoning you can't have been crayoning he can't have been crayoning we can't have been crayoning you can't have been crayoning they can't 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't I crayon? can't you crayon? can't he crayon? can't we crayon? can't you crayon? can't they crayon?	can't I be crayoning? can't you be crayoning? can't he be crayoning? can't we be crayoning? can't you be crayoning? can't they be crayoning?
Perfect	V-ing perfect
can't I have crayoned? can't you have crayoned? can't he have crayoned? can't we have crayoned? can't you have crayoned? can't they have crayoned?	can't I have been crayoning? can't you have been crayoning? can't he have been crayoning? can't we have been crayoning? can't you have been crayoning? can't they have been crayoning?