English verb conjugation
COULD POIL

Regular verb: poil - poiled - poiled

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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