English verb conjugation
COULD SNICK

Regular verb: snick - snicked - snicked

Affirmation

Simple form	V-ing form
I could snick you could snick he could snick we could snick you could snick they could snick	I could be snicking you could be snicking he could be snicking we could be snicking you could be snicking they could be snicking
Perfect	V-ing perfect
I could have snicked you could have snicked he could have snicked we could have snicked you could have snicked they could have snicked	I could have been snicking you could have been snicking he could have been snicking we could have been snicking you could have been snicking they could have been snicking

Negation

Simple form	V-ing form
I couldn't snick you couldn't snick he couldn't snick we couldn't snick you couldn't snick they couldn't snick	I couldn't be snicking you couldn't be snicking he couldn't be snicking we couldn't be snicking you couldn't be snicking they couldn't be snicking
Perfect	V-ing perfect
I couldn't have snicked you couldn't have snicked he couldn't have snicked we couldn't have snicked you couldn't have snicked they couldn't have snicked	I couldn't have been snicking you couldn't have been snicking he couldn't have been snicking we couldn't have been snicking you couldn't have been snicking they couldn't have been snicking

Interrogative form

Simple form	V-ing form
could I snick? could you snick? could he snick? could we snick? could you snick? could they snick?	could I be snicking? could you be snicking? could he be snicking? could we be snicking? could you be snicking? could they be snicking?
Perfect	V-ing perfect
could I have snicked? could you have snicked? could he have snicked? could we have snicked? could you have snicked? could they have snicked?	could I have been snicking? could you have been snicking? could he have been snicking? could we have been snicking? could you have been snicking? could they have been snicking?

Interro-negative form

Simple form	V-ing form
couldn't I snick? couldn't you snick? couldn't he snick? couldn't we snick? couldn't you snick? couldn't they snick?	couldn't I be snicking? couldn't you be snicking? couldn't he be snicking? couldn't we be snicking? couldn't you be snicking? couldn't they be snicking?
Perfect	V-ing perfect
couldn't I have snicked? couldn't you have snicked? couldn't he have snicked? couldn't we have snicked? couldn't you have snicked? couldn't they have snicked?	couldn't I have been snicking? couldn't you have been snicking? couldn't he have been snicking? couldn't we have been snicking? couldn't you have been snicking? couldn't they have been snicking?