English verb conjugation
COULD DETICK

Regular verb: detick - deticked - deticked

Affirmation

Simple form	V-ing form
I could detick you could detick he could detick we could detick you could detick they could detick	I could be deticking you could be deticking he could be deticking we could be deticking you could be deticking they could be deticking
Perfect	V-ing perfect
I could have deticked you could have deticked he could have deticked we could have deticked you could have deticked they could have deticked	I could have been deticking you could have been deticking he could have been deticking we could have been deticking you could have been deticking they could have been deticking

Negation

Simple form	V-ing form
I couldn't detick you couldn't detick he couldn't detick we couldn't detick you couldn't detick they couldn't detick	I couldn't be deticking you couldn't be deticking he couldn't be deticking we couldn't be deticking you couldn't be deticking they couldn't be deticking
Perfect	V-ing perfect
I couldn't have deticked you couldn't have deticked he couldn't have deticked we couldn't have deticked you couldn't have deticked they couldn't have deticked	I couldn't have been deticking you couldn't have been deticking he couldn't have been deticking we couldn't have been deticking you couldn't have been deticking they couldn't have been deticking

Interrogative form

Simple form	V-ing form
could I detick? could you detick? could he detick? could we detick? could you detick? could they detick?	could I be deticking? could you be deticking? could he be deticking? could we be deticking? could you be deticking? could they be deticking?
Perfect	V-ing perfect
could I have deticked? could you have deticked? could he have deticked? could we have deticked? could you have deticked? could they have deticked?	could I have been deticking? could you have been deticking? could he have been deticking? could we have been deticking? could you have been deticking? could they have been deticking?

Interro-negative form

Simple form	V-ing form
couldn't I detick? couldn't you detick? couldn't he detick? couldn't we detick? couldn't you detick? couldn't they detick?	couldn't I be deticking? couldn't you be deticking? couldn't he be deticking? couldn't we be deticking? couldn't you be deticking? couldn't they be deticking?
Perfect	V-ing perfect
couldn't I have deticked? couldn't you have deticked? couldn't he have deticked? couldn't we have deticked? couldn't you have deticked? couldn't they have deticked?	couldn't I have been deticking? couldn't you have been deticking? couldn't he have been deticking? couldn't we have been deticking? couldn't you have been deticking? couldn't they have been deticking?