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 couldn't unsnarl you couldn't unsnarl he couldn't unsnarl we couldn't unsnarl you couldn't unsnarl they couldn't unsnarl	I couldn't be unsnarling you couldn't be unsnarling he couldn't be unsnarling we couldn't be unsnarling you couldn't be unsnarling they couldn't be unsnarling
Perfect	V-ing perfect
I couldn't have unsnarled you couldn't have unsnarled he couldn't have unsnarled we couldn't have unsnarled you couldn't have unsnarled they couldn't have unsnarled	I couldn't have been unsnarling you couldn't have been unsnarling he couldn't have been unsnarling we couldn't have been unsnarling you couldn't have been unsnarling they couldn't 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
couldn't I unsnarl? couldn't you unsnarl? couldn't he unsnarl? couldn't we unsnarl? couldn't you unsnarl? couldn't they unsnarl?	couldn't I be unsnarling? couldn't you be unsnarling? couldn't he be unsnarling? couldn't we be unsnarling? couldn't you be unsnarling? couldn't they be unsnarling?
Perfect	V-ing perfect
couldn't I have unsnarled? couldn't you have unsnarled? couldn't he have unsnarled? couldn't we have unsnarled? couldn't you have unsnarled? couldn't they have unsnarled?	couldn't I have been unsnarling? couldn't you have been unsnarling? couldn't he have been unsnarling? couldn't we have been unsnarling? couldn't you have been unsnarling? couldn't they have been unsnarling?