English verb conjugation
CAN POIL

Regular verb: poil - poiled - poiled

Affirmation

Simple form	V-ing form
I can poil you can poil he can poil we can poil you can poil they can poil	I can be poiling you can be poiling he can be poiling we can be poiling you can be poiling they can be poiling
Perfect	V-ing perfect
I can have poiled you can have poiled he can have poiled we can have poiled you can have poiled they can have poiled	I can have been poiling you can have been poiling he can have been poiling we can have been poiling you can have been poiling they can have been poiling

Negation

Simple form	V-ing form
I cannot poil you cannot poil he cannot poil we cannot poil you cannot poil they cannot poil	I cannot be poiling you cannot be poiling he cannot be poiling we cannot be poiling you cannot be poiling they cannot be poiling
Perfect	V-ing perfect
I cannot have poiled you cannot have poiled he cannot have poiled we cannot have poiled you cannot have poiled they cannot have poiled	I cannot have been poiling you cannot have been poiling he cannot have been poiling we cannot have been poiling you cannot have been poiling they cannot have been poiling

Interrogative form

Simple form	V-ing form
can I poil? can you poil? can he poil? can we poil? can you poil? can they poil?	can I be poiling? can you be poiling? can he be poiling? can we be poiling? can you be poiling? can they be poiling?
Perfect	V-ing perfect
can I have poiled? can you have poiled? can he have poiled? can we have poiled? can you have poiled? can they have poiled?	can I have been poiling? can you have been poiling? can he have been poiling? can we have been poiling? can you have been poiling? can they have been poiling?

Interro-negative form

Simple form	V-ing form
can I not poil? can you not poil? can he not poil? can we not poil? can you not poil? can they not poil?	can I not be poiling? can you not be poiling? can he not be poiling? can we not be poiling? can you not be poiling? can they not be poiling?
Perfect	V-ing perfect
can I not have poiled? can you not have poiled? can he not have poiled? can we not have poiled? can you not have poiled? can they not have poiled?	can I not have been poiling? can you not have been poiling? can he not have been poiling? can we not have been poiling? can you not have been poiling? can they not have been poiling?