English verb conjugation
COULD CRAYON

Regular verb: crayon - crayoned - crayoned

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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