English verb conjugation
COULD UNSNARL

Regular verb: unsnarl - unsnarled - unsnarled

Affirmation

Simple form	V-ing form
I could unsnarl you could unsnarl he could unsnarl we could unsnarl you could unsnarl they could unsnarl	I could be unsnarling you could be unsnarling he could be unsnarling we could be unsnarling you could be unsnarling they could be unsnarling
Perfect	V-ing perfect
I could have unsnarled you could have unsnarled he could have unsnarled we could have unsnarled you could have unsnarled they could have unsnarled	I could have been unsnarling you could have been unsnarling he could have been unsnarling we could have been unsnarling you could have been unsnarling they could have been unsnarling

Negation

Simple form	V-ing form
I could not unsnarl you could not unsnarl he could not unsnarl we could not unsnarl you could not unsnarl they could not unsnarl	I could not be unsnarling you could not be unsnarling he could not be unsnarling we could not be unsnarling you could not be unsnarling they could not be unsnarling
Perfect	V-ing perfect
I could not have unsnarled you could not have unsnarled he could not have unsnarled we could not have unsnarled you could not have unsnarled they could not have unsnarled	I could not have been unsnarling you could not have been unsnarling he could not have been unsnarling we could not have been unsnarling you could not have been unsnarling they could not have been unsnarling

Interrogative form

Simple form	V-ing form
could I unsnarl? could you unsnarl? could he unsnarl? could we unsnarl? could you unsnarl? could they unsnarl?	could I be unsnarling? could you be unsnarling? could he be unsnarling? could we be unsnarling? could you be unsnarling? could they be unsnarling?
Perfect	V-ing perfect
could I have unsnarled? could you have unsnarled? could he have unsnarled? could we have unsnarled? could you have unsnarled? could they have unsnarled?	could I have been unsnarling? could you have been unsnarling? could he have been unsnarling? could we have been unsnarling? could you have been unsnarling? could they have been unsnarling?

Interro-negative form

Simple form	V-ing form
could I not unsnarl? could you not unsnarl? could he not unsnarl? could we not unsnarl? could you not unsnarl? could they not unsnarl?	could I not be unsnarling? could you not be unsnarling? could he not be unsnarling? could we not be unsnarling? could you not be unsnarling? could they not be unsnarling?
Perfect	V-ing perfect
could I not have unsnarled? could you not have unsnarled? could he not have unsnarled? could we not have unsnarled? could you not have unsnarled? could they not have unsnarled?	could I not have been unsnarling? could you not have been unsnarling? could he not have been unsnarling? could we not have been unsnarling? could you not have been unsnarling? could they not have been unsnarling?