English verb conjugation
CAN PAINT

Regular verb: paint - painted - painted

Affirmation

Simple form	V-ing form
I can paint you can paint he can paint we can paint you can paint they can paint	I can be painting you can be painting he 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 he 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 he 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 cannot paint you cannot paint he cannot paint we cannot paint you cannot paint they cannot paint	I cannot be painting you cannot be painting he cannot be painting we cannot be painting you cannot be painting they cannot be painting
Perfect	V-ing perfect
I cannot have painted you cannot have painted he cannot have painted we cannot have painted you cannot have painted they cannot have painted	I cannot have been painting you cannot have been painting he cannot have been painting we cannot have been painting you cannot have been painting they cannot have been painting

Interrogative form

Simple form	V-ing form
can I paint? can you paint? can he paint? can we paint? can you paint? can they paint?	can I be painting? can you be painting? can he 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 he 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 he 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 I not paint? can you not paint? can he not paint? can we not paint? can you not paint? can they not paint?	can I not be painting? can you not be painting? can he not be painting? can we not be painting? can you not be painting? can they not be painting?
Perfect	V-ing perfect
can I not have painted? can you not have painted? can he not have painted? can we not have painted? can you not have painted? can they not have painted?	can I not have been painting? can you not have been painting? can he not have been painting? can we not have been painting? can you not have been painting? can they not have been painting?