English verb conjugation
MUST PREEXPOSE

Regular verb: preexpose - preexposed - preexposed

Affirmation

Simple form	V-ing form
I must preexpose you must preexpose he must preexpose we must preexpose you must preexpose they must preexpose	I must be preexposing you must be preexposing he must be preexposing we must be preexposing you must be preexposing they must be preexposing
Perfect	V-ing perfect
I must have preexposed you must have preexposed he must have preexposed we must have preexposed you must have preexposed they must have preexposed	I must have been preexposing you must have been preexposing he must have been preexposing we must have been preexposing you must have been preexposing they must have been preexposing

Negation

Simple form	V-ing form
I mustn't preexpose you mustn't preexpose he mustn't preexpose we mustn't preexpose you mustn't preexpose they mustn't preexpose	I mustn't be preexposing you mustn't be preexposing he mustn't be preexposing we mustn't be preexposing you mustn't be preexposing they mustn't be preexposing
Perfect	V-ing perfect
I mustn't have preexposed you mustn't have preexposed he mustn't have preexposed we mustn't have preexposed you mustn't have preexposed they mustn't have preexposed	I mustn't have been preexposing you mustn't have been preexposing he mustn't have been preexposing we mustn't have been preexposing you mustn't have been preexposing they mustn't have been preexposing

Interrogative form

Simple form	V-ing form
must I preexpose? must you preexpose? must he preexpose? must we preexpose? must you preexpose? must they preexpose?	must I be preexposing? must you be preexposing? must he be preexposing? must we be preexposing? must you be preexposing? must they be preexposing?
Perfect	V-ing perfect
must I have preexposed? must you have preexposed? must he have preexposed? must we have preexposed? must you have preexposed? must they have preexposed?	must I have been preexposing? must you have been preexposing? must he have been preexposing? must we have been preexposing? must you have been preexposing? must they have been preexposing?

Interro-negative form

Simple form	V-ing form
mustn't I preexpose? mustn't you preexpose? mustn't he preexpose? mustn't we preexpose? mustn't you preexpose? mustn't they preexpose?	mustn't I be preexposing? mustn't you be preexposing? mustn't he be preexposing? mustn't we be preexposing? mustn't you be preexposing? mustn't they be preexposing?
Perfect	V-ing perfect
mustn't I have preexposed? mustn't you have preexposed? mustn't he have preexposed? mustn't we have preexposed? mustn't you have preexposed? mustn't they have preexposed?	mustn't I have been preexposing? mustn't you have been preexposing? mustn't he have been preexposing? mustn't we have been preexposing? mustn't you have been preexposing? mustn't they have been preexposing?