English verb conjugation
CAN PAINT

Regular verb: paint - painted - painted

Affirmation

Simple form	V-ing form
I can paint you can paint she can paint we can paint you can paint they can paint	I can be painting you can be painting she can be painting we can be painting you can be painting they can be painting
Perfect	V-ing perfect
I can have painted you can have painted she can have painted we can have painted you can have painted they can have painted	I can have been painting you can have been painting she can have been painting we can have been painting you can have been painting they can have been painting

Negation

Simple form	V-ing form
I can't paint you can't paint she can't paint we can't paint you can't paint they can't paint	I can't be painting you can't be painting she can't be painting we can't be painting you can't be painting they can't be painting
Perfect	V-ing perfect
I can't have painted you can't have painted she can't have painted we can't have painted you can't have painted they can't have painted	I can't have been painting you can't have been painting she can't have been painting we can't have been painting you can't have been painting they can't have been painting

Interrogative form

Simple form	V-ing form
can I paint? can you paint? can she paint? can we paint? can you paint? can they paint?	can I be painting? can you be painting? can she be painting? can we be painting? can you be painting? can they be painting?
Perfect	V-ing perfect
can I have painted? can you have painted? can she have painted? can we have painted? can you have painted? can they have painted?	can I have been painting? can you have been painting? can she have been painting? can we have been painting? can you have been painting? can they have been painting?

Interro-negative form

Simple form	V-ing form
can't I paint? can't you paint? can't she paint? can't we paint? can't you paint? can't they paint?	can't I be painting? can't you be painting? can't she be painting? can't we be painting? can't you be painting? can't they be painting?
Perfect	V-ing perfect
can't I have painted? can't you have painted? can't she have painted? can't we have painted? can't you have painted? can't they have painted?	can't I have been painting? can't you have been painting? can't she have been painting? can't we have been painting? can't you have been painting? can't they have been painting?