English verb conjugation
COULD RECOIL

Regular verb: recoil - recoiled - recoiled

Affirmation

Simple form	V-ing form
I could recoil you could recoil she could recoil we could recoil you could recoil they could recoil	I could be recoiling you could be recoiling she 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 she 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 she 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 she 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 she 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 she 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 she 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 she recoil? could we recoil? could you recoil? could they recoil?	could I be recoiling? could you be recoiling? could she 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 she 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 she 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 she 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 she 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 she 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 she have been recoiling? couldn't we have been recoiling? couldn't you have been recoiling? couldn't they have been recoiling?