English verb conjugation
CAN COIL

Regular verb: coil - coiled - coiled

Affirmation

Simple form	V-ing form
I can coil you can coil he can coil we can coil you can coil they can coil	I can be coiling you can be coiling he can be coiling we can be coiling you can be coiling they can be coiling
Perfect	V-ing perfect
I can have coiled you can have coiled he can have coiled we can have coiled you can have coiled they can have coiled	I can have been coiling you can have been coiling he can have been coiling we can have been coiling you can have been coiling they can have been coiling

Negation

Simple form	V-ing form
I can't coil you can't coil he can't coil we can't coil you can't coil they can't coil	I can't be coiling you can't be coiling he can't be coiling we can't be coiling you can't be coiling they can't be coiling
Perfect	V-ing perfect
I can't have coiled you can't have coiled he can't have coiled we can't have coiled you can't have coiled they can't have coiled	I can't have been coiling you can't have been coiling he can't have been coiling we can't have been coiling you can't have been coiling they can't have been coiling

Interrogative form

Simple form	V-ing form
can I coil? can you coil? can he coil? can we coil? can you coil? can they coil?	can I be coiling? can you be coiling? can he be coiling? can we be coiling? can you be coiling? can they be coiling?
Perfect	V-ing perfect
can I have coiled? can you have coiled? can he have coiled? can we have coiled? can you have coiled? can they have coiled?	can I have been coiling? can you have been coiling? can he have been coiling? can we have been coiling? can you have been coiling? can they have been coiling?

Interro-negative form

Simple form	V-ing form
can't I coil? can't you coil? can't he coil? can't we coil? can't you coil? can't they coil?	can't I be coiling? can't you be coiling? can't he be coiling? can't we be coiling? can't you be coiling? can't they be coiling?
Perfect	V-ing perfect
can't I have coiled? can't you have coiled? can't he have coiled? can't we have coiled? can't you have coiled? can't they have coiled?	can't I have been coiling? can't you have been coiling? can't he have been coiling? can't we have been coiling? can't you have been coiling? can't they have been coiling?