English verb conjugation
CAN PULL

Regular verb: pull - pulled - pulled

Affirmation

Simple form	V-ing form
I can pull you can pull he can pull we can pull you can pull they can pull	I can be pulling you can be pulling he can be pulling we can be pulling you can be pulling they can be pulling
Perfect	V-ing perfect
I can have pulled you can have pulled he can have pulled we can have pulled you can have pulled they can have pulled	I can have been pulling you can have been pulling he can have been pulling we can have been pulling you can have been pulling they can have been pulling

Negation

Simple form	V-ing form
I cannot pull you cannot pull he cannot pull we cannot pull you cannot pull they cannot pull	I cannot be pulling you cannot be pulling he cannot be pulling we cannot be pulling you cannot be pulling they cannot be pulling
Perfect	V-ing perfect
I cannot have pulled you cannot have pulled he cannot have pulled we cannot have pulled you cannot have pulled they cannot have pulled	I cannot have been pulling you cannot have been pulling he cannot have been pulling we cannot have been pulling you cannot have been pulling they cannot have been pulling

Interrogative form

Simple form	V-ing form
can I pull? can you pull? can he pull? can we pull? can you pull? can they pull?	can I be pulling? can you be pulling? can he be pulling? can we be pulling? can you be pulling? can they be pulling?
Perfect	V-ing perfect
can I have pulled? can you have pulled? can he have pulled? can we have pulled? can you have pulled? can they have pulled?	can I have been pulling? can you have been pulling? can he have been pulling? can we have been pulling? can you have been pulling? can they have been pulling?

Interro-negative form

Simple form	V-ing form
can I not pull? can you not pull? can he not pull? can we not pull? can you not pull? can they not pull?	can I not be pulling? can you not be pulling? can he not be pulling? can we not be pulling? can you not be pulling? can they not be pulling?
Perfect	V-ing perfect
can I not have pulled? can you not have pulled? can he not have pulled? can we not have pulled? can you not have pulled? can they not have pulled?	can I not have been pulling? can you not have been pulling? can he not have been pulling? can we not have been pulling? can you not have been pulling? can they not have been pulling?