English verb conjugation
MUST UNCOVER

Regular verb: uncover - uncovered - uncovered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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