English verb conjugation
COULD RECOIL

Regular verb: recoil - recoiled - recoiled

Affirmation

Simple form	V-ing form
I could recoil you could recoil he could recoil we could recoil you could recoil they could recoil	I could be recoiling you could be recoiling he could be recoiling we could be recoiling you could be recoiling they could be recoiling
Perfect	V-ing perfect
I could have recoiled you could have recoiled he could have recoiled we could have recoiled you could have recoiled they could have recoiled	I could have been recoiling you could have been recoiling he could have been recoiling we could have been recoiling you could have been recoiling they could have been recoiling

Negation

Simple form	V-ing form
I couldn't recoil you couldn't recoil he couldn't recoil we couldn't recoil you couldn't recoil they couldn't recoil	I couldn't be recoiling you couldn't be recoiling he couldn't be recoiling we couldn't be recoiling you couldn't be recoiling they couldn't be recoiling
Perfect	V-ing perfect
I couldn't have recoiled you couldn't have recoiled he couldn't have recoiled we couldn't have recoiled you couldn't have recoiled they couldn't have recoiled	I couldn't have been recoiling you couldn't have been recoiling he couldn't have been recoiling we couldn't have been recoiling you couldn't have been recoiling they couldn't have been recoiling

Interrogative form

Simple form	V-ing form
could I recoil? could you recoil? could he recoil? could we recoil? could you recoil? could they recoil?	could I be recoiling? could you be recoiling? could he be recoiling? could we be recoiling? could you be recoiling? could they be recoiling?
Perfect	V-ing perfect
could I have recoiled? could you have recoiled? could he have recoiled? could we have recoiled? could you have recoiled? could they have recoiled?	could I have been recoiling? could you have been recoiling? could he have been recoiling? could we have been recoiling? could you have been recoiling? could they have been recoiling?

Interro-negative form

Simple form	V-ing form
couldn't I recoil? couldn't you recoil? couldn't he recoil? couldn't we recoil? couldn't you recoil? couldn't they recoil?	couldn't I be recoiling? couldn't you be recoiling? couldn't he be recoiling? couldn't we be recoiling? couldn't you be recoiling? couldn't they be recoiling?
Perfect	V-ing perfect
couldn't I have recoiled? couldn't you have recoiled? couldn't he have recoiled? couldn't we have recoiled? couldn't you have recoiled? couldn't they have recoiled?	couldn't I have been recoiling? couldn't you have been recoiling? couldn't he have been recoiling? couldn't we have been recoiling? couldn't you have been recoiling? couldn't they have been recoiling?