English verb conjugation
MUST UNDEREXPOSE

Regular verb: underexpose - underexposed - underexposed

Affirmation

Simple form	V-ing form
I must underexpose you must underexpose he must underexpose we must underexpose you must underexpose they must underexpose	I must be underexposing you must be underexposing he must be underexposing we must be underexposing you must be underexposing they must be underexposing
Perfect	V-ing perfect
I must have underexposed you must have underexposed he must have underexposed we must have underexposed you must have underexposed they must have underexposed	I must have been underexposing you must have been underexposing he must have been underexposing we must have been underexposing you must have been underexposing they must have been underexposing

Negation

Simple form	V-ing form
I mustn't underexpose you mustn't underexpose he mustn't underexpose we mustn't underexpose you mustn't underexpose they mustn't underexpose	I mustn't be underexposing you mustn't be underexposing he mustn't be underexposing we mustn't be underexposing you mustn't be underexposing they mustn't be underexposing
Perfect	V-ing perfect
I mustn't have underexposed you mustn't have underexposed he mustn't have underexposed we mustn't have underexposed you mustn't have underexposed they mustn't have underexposed	I mustn't have been underexposing you mustn't have been underexposing he mustn't have been underexposing we mustn't have been underexposing you mustn't have been underexposing they mustn't have been underexposing

Interrogative form

Simple form	V-ing form
must I underexpose? must you underexpose? must he underexpose? must we underexpose? must you underexpose? must they underexpose?	must I be underexposing? must you be underexposing? must he be underexposing? must we be underexposing? must you be underexposing? must they be underexposing?
Perfect	V-ing perfect
must I have underexposed? must you have underexposed? must he have underexposed? must we have underexposed? must you have underexposed? must they have underexposed?	must I have been underexposing? must you have been underexposing? must he have been underexposing? must we have been underexposing? must you have been underexposing? must they have been underexposing?

Interro-negative form

Simple form	V-ing form
mustn't I underexpose? mustn't you underexpose? mustn't he underexpose? mustn't we underexpose? mustn't you underexpose? mustn't they underexpose?	mustn't I be underexposing? mustn't you be underexposing? mustn't he be underexposing? mustn't we be underexposing? mustn't you be underexposing? mustn't they be underexposing?
Perfect	V-ing perfect
mustn't I have underexposed? mustn't you have underexposed? mustn't he have underexposed? mustn't we have underexposed? mustn't you have underexposed? mustn't they have underexposed?	mustn't I have been underexposing? mustn't you have been underexposing? mustn't he have been underexposing? mustn't we have been underexposing? mustn't you have been underexposing? mustn't they have been underexposing?