English verb conjugation
COULD UNCOVER

Regular verb: uncover - uncovered - uncovered

Affirmation

Simple form	V-ing form
I could uncover you could uncover he could uncover we could uncover you could uncover they could uncover	I could be uncovering you could be uncovering he could be uncovering we could be uncovering you could be uncovering they could be uncovering
Perfect	V-ing perfect
I could have uncovered you could have uncovered he could have uncovered we could have uncovered you could have uncovered they could have uncovered	I could have been uncovering you could have been uncovering he could have been uncovering we could have been uncovering you could have been uncovering they could have been uncovering

Negation

Simple form	V-ing form
I couldn't uncover you couldn't uncover he couldn't uncover we couldn't uncover you couldn't uncover they couldn't uncover	I couldn't be uncovering you couldn't be uncovering he couldn't be uncovering we couldn't be uncovering you couldn't be uncovering they couldn't be uncovering
Perfect	V-ing perfect
I couldn't have uncovered you couldn't have uncovered he couldn't have uncovered we couldn't have uncovered you couldn't have uncovered they couldn't have uncovered	I couldn't have been uncovering you couldn't have been uncovering he couldn't have been uncovering we couldn't have been uncovering you couldn't have been uncovering they couldn't have been uncovering

Interrogative form

Simple form	V-ing form
could I uncover? could you uncover? could he uncover? could we uncover? could you uncover? could they uncover?	could I be uncovering? could you be uncovering? could he be uncovering? could we be uncovering? could you be uncovering? could they be uncovering?
Perfect	V-ing perfect
could I have uncovered? could you have uncovered? could he have uncovered? could we have uncovered? could you have uncovered? could they have uncovered?	could I have been uncovering? could you have been uncovering? could he have been uncovering? could we have been uncovering? could you have been uncovering? could they have been uncovering?

Interro-negative form

Simple form	V-ing form
couldn't I uncover? couldn't you uncover? couldn't he uncover? couldn't we uncover? couldn't you uncover? couldn't they uncover?	couldn't I be uncovering? couldn't you be uncovering? couldn't he be uncovering? couldn't we be uncovering? couldn't you be uncovering? couldn't they be uncovering?
Perfect	V-ing perfect
couldn't I have uncovered? couldn't you have uncovered? couldn't he have uncovered? couldn't we have uncovered? couldn't you have uncovered? couldn't they have uncovered?	couldn't I have been uncovering? couldn't you have been uncovering? couldn't he have been uncovering? couldn't we have been uncovering? couldn't you have been uncovering? couldn't they have been uncovering?