English verb conjugation
COULD UNSNAP

Regular verb: unsnap - unsnaped - unsnaped

Affirmation

Simple form	V-ing form
I could unsnap you could unsnap he could unsnap we could unsnap you could unsnap they could unsnap	I could be unsnaping you could be unsnaping he could be unsnaping we could be unsnaping you could be unsnaping they could be unsnaping
Perfect	V-ing perfect
I could have unsnaped you could have unsnaped he could have unsnaped we could have unsnaped you could have unsnaped they could have unsnaped	I could have been unsnaping you could have been unsnaping he could have been unsnaping we could have been unsnaping you could have been unsnaping they could have been unsnaping

Negation

Simple form	V-ing form
I could not unsnap you could not unsnap he could not unsnap we could not unsnap you could not unsnap they could not unsnap	I could not be unsnaping you could not be unsnaping he could not be unsnaping we could not be unsnaping you could not be unsnaping they could not be unsnaping
Perfect	V-ing perfect
I could not have unsnaped you could not have unsnaped he could not have unsnaped we could not have unsnaped you could not have unsnaped they could not have unsnaped	I could not have been unsnaping you could not have been unsnaping he could not have been unsnaping we could not have been unsnaping you could not have been unsnaping they could not have been unsnaping

Interrogative form

Simple form	V-ing form
could I unsnap? could you unsnap? could he unsnap? could we unsnap? could you unsnap? could they unsnap?	could I be unsnaping? could you be unsnaping? could he be unsnaping? could we be unsnaping? could you be unsnaping? could they be unsnaping?
Perfect	V-ing perfect
could I have unsnaped? could you have unsnaped? could he have unsnaped? could we have unsnaped? could you have unsnaped? could they have unsnaped?	could I have been unsnaping? could you have been unsnaping? could he have been unsnaping? could we have been unsnaping? could you have been unsnaping? could they have been unsnaping?

Interro-negative form

Simple form	V-ing form
could I not unsnap? could you not unsnap? could he not unsnap? could we not unsnap? could you not unsnap? could they not unsnap?	could I not be unsnaping? could you not be unsnaping? could he not be unsnaping? could we not be unsnaping? could you not be unsnaping? could they not be unsnaping?
Perfect	V-ing perfect
could I not have unsnaped? could you not have unsnaped? could he not have unsnaped? could we not have unsnaped? could you not have unsnaped? could they not have unsnaped?	could I not have been unsnaping? could you not have been unsnaping? could he not have been unsnaping? could we not have been unsnaping? could you not have been unsnaping? could they not have been unsnaping?