English verb conjugation
MUST UNCASE

Regular verb: uncase - uncased - uncased

Affirmation

Simple form	V-ing form
I must uncase you must uncase he must uncase we must uncase you must uncase they must uncase	I must be uncasing you must be uncasing he must be uncasing we must be uncasing you must be uncasing they must be uncasing
Perfect	V-ing perfect
I must have uncased you must have uncased he must have uncased we must have uncased you must have uncased they must have uncased	I must have been uncasing you must have been uncasing he must have been uncasing we must have been uncasing you must have been uncasing they must have been uncasing

Negation

Simple form	V-ing form
I mustn't uncase you mustn't uncase he mustn't uncase we mustn't uncase you mustn't uncase they mustn't uncase	I mustn't be uncasing you mustn't be uncasing he mustn't be uncasing we mustn't be uncasing you mustn't be uncasing they mustn't be uncasing
Perfect	V-ing perfect
I mustn't have uncased you mustn't have uncased he mustn't have uncased we mustn't have uncased you mustn't have uncased they mustn't have uncased	I mustn't have been uncasing you mustn't have been uncasing he mustn't have been uncasing we mustn't have been uncasing you mustn't have been uncasing they mustn't have been uncasing

Interrogative form

Simple form	V-ing form
must I uncase? must you uncase? must he uncase? must we uncase? must you uncase? must they uncase?	must I be uncasing? must you be uncasing? must he be uncasing? must we be uncasing? must you be uncasing? must they be uncasing?
Perfect	V-ing perfect
must I have uncased? must you have uncased? must he have uncased? must we have uncased? must you have uncased? must they have uncased?	must I have been uncasing? must you have been uncasing? must he have been uncasing? must we have been uncasing? must you have been uncasing? must they have been uncasing?

Interro-negative form

Simple form	V-ing form
mustn't I uncase? mustn't you uncase? mustn't he uncase? mustn't we uncase? mustn't you uncase? mustn't they uncase?	mustn't I be uncasing? mustn't you be uncasing? mustn't he be uncasing? mustn't we be uncasing? mustn't you be uncasing? mustn't they be uncasing?
Perfect	V-ing perfect
mustn't I have uncased? mustn't you have uncased? mustn't he have uncased? mustn't we have uncased? mustn't you have uncased? mustn't they have uncased?	mustn't I have been uncasing? mustn't you have been uncasing? mustn't he have been uncasing? mustn't we have been uncasing? mustn't you have been uncasing? mustn't they have been uncasing?