must preexpose
Regular verb: preexpose - preexposed- preexposed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I must not preexpose
you must not preexpose
he must not preexpose
we must not preexpose
you must not preexpose
they must not preexpose 	I must not be preexposing
you must not be preexposing
he must not be preexposing
we must not be preexposing
you must not be preexposing
they must not be preexposing	I must not have preexposed
you must not have preexposed
he must not have preexposed
we must not have preexposed
you must not have preexposed
they must not have preexposed	I must not have been preexposing
you must not have been preexposing
he must not have been preexposing
we must not have been preexposing
you must not have been preexposing
they must not have been preexposing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
must I not preexpose?
must you not preexpose?
must he not preexpose?
must we not preexpose?
must you not preexpose?
must they not preexpose? 	must I not be preexposing?
must you not be preexposing?
must he not be preexposing?
must we not be preexposing?
must you not be preexposing?
must they not be preexposing? 	must I not have preexposed?
must you not have preexposed?
must he not have preexposed?
must we not have preexposed?
must you not have preexposed?
must they not have preexposed? 	must I not have been preexposing?
must you not have been preexposing?
must he not have been preexposing?
must we not have been preexposing?
must you not have been preexposing?
must they not have been preexposing?