English verb conjugation
COULD UNCLAMP

Regular verb: unclamp - unclamped - unclamped

Affirmation

Simple form	V-ing form
I could unclamp you could unclamp he could unclamp we could unclamp you could unclamp they could unclamp	I could be unclamping you could be unclamping he could be unclamping we could be unclamping you could be unclamping they could be unclamping
Perfect	V-ing perfect
I could have unclamped you could have unclamped he could have unclamped we could have unclamped you could have unclamped they could have unclamped	I could have been unclamping you could have been unclamping he could have been unclamping we could have been unclamping you could have been unclamping they could have been unclamping

Negation

Simple form	V-ing form
I couldn't unclamp you couldn't unclamp he couldn't unclamp we couldn't unclamp you couldn't unclamp they couldn't unclamp	I couldn't be unclamping you couldn't be unclamping he couldn't be unclamping we couldn't be unclamping you couldn't be unclamping they couldn't be unclamping
Perfect	V-ing perfect
I couldn't have unclamped you couldn't have unclamped he couldn't have unclamped we couldn't have unclamped you couldn't have unclamped they couldn't have unclamped	I couldn't have been unclamping you couldn't have been unclamping he couldn't have been unclamping we couldn't have been unclamping you couldn't have been unclamping they couldn't have been unclamping

Interrogative form

Simple form	V-ing form
could I unclamp? could you unclamp? could he unclamp? could we unclamp? could you unclamp? could they unclamp?	could I be unclamping? could you be unclamping? could he be unclamping? could we be unclamping? could you be unclamping? could they be unclamping?
Perfect	V-ing perfect
could I have unclamped? could you have unclamped? could he have unclamped? could we have unclamped? could you have unclamped? could they have unclamped?	could I have been unclamping? could you have been unclamping? could he have been unclamping? could we have been unclamping? could you have been unclamping? could they have been unclamping?

Interro-negative form

Simple form	V-ing form
couldn't I unclamp? couldn't you unclamp? couldn't he unclamp? couldn't we unclamp? couldn't you unclamp? couldn't they unclamp?	couldn't I be unclamping? couldn't you be unclamping? couldn't he be unclamping? couldn't we be unclamping? couldn't you be unclamping? couldn't they be unclamping?
Perfect	V-ing perfect
couldn't I have unclamped? couldn't you have unclamped? couldn't he have unclamped? couldn't we have unclamped? couldn't you have unclamped? couldn't they have unclamped?	couldn't I have been unclamping? couldn't you have been unclamping? couldn't he have been unclamping? couldn't we have been unclamping? couldn't you have been unclamping? couldn't they have been unclamping?