must house
Regular verb: house - housed- housed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must house
you must house
he must house
we must house
you must house
they must house 	I must be housing
you must be housing
he must be housing
we must be housing
you must be housing
they must be housing	I must have housed
you must have housed
he must have housed
we must have housed
you must have housed
they must have housed	I must have been housing
you must have been housing
he must have been housing
we must have been housing
you must have been housing
they must have been housing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't house
you mustn't house
he mustn't house
we mustn't house
you mustn't house
they mustn't house 	I mustn't be housing
you mustn't be housing
he mustn't be housing
we mustn't be housing
you mustn't be housing
they mustn't be housing	I mustn't have housed
you mustn't have housed
he mustn't have housed
we mustn't have housed
you mustn't have housed
they mustn't have housed	I mustn't have been housing
you mustn't have been housing
he mustn't have been housing
we mustn't have been housing
you mustn't have been housing
they mustn't have been housing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I house?
must you house?
must he house?
must we house?
must you house?
must they house? 	must I be housing?
must you be housing?
must he be housing?
must we be housing?
must you be housing?
must they be housing? 	must I have housed?
must you have housed?
must he have housed?
must we have housed?
must you have housed?
must they have housed? 	must I have been housing?
must you have been housing?
must he have been housing?
must we have been housing?
must you have been housing?
must they have been housing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I house?
mustn't you house?
mustn't he house?
mustn't we house?
mustn't you house?
mustn't they house? 	mustn't I be housing?
mustn't you be housing?
mustn't he be housing?
mustn't we be housing?
mustn't you be housing?
mustn't they be housing? 	mustn't I have housed?
mustn't you have housed?
mustn't he have housed?
mustn't we have housed?
mustn't you have housed?
mustn't they have housed? 	mustn't I have been housing?
mustn't you have been housing?
mustn't he have been housing?
mustn't we have been housing?
mustn't you have been housing?
mustn't they have been housing?