must preside
Regular verb: preside - presided- presided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must preside
you must preside
he must preside
we must preside
you must preside
they must preside 	I must be presiding
you must be presiding
he must be presiding
we must be presiding
you must be presiding
they must be presiding	I must have presided
you must have presided
he must have presided
we must have presided
you must have presided
they must have presided	I must have been presiding
you must have been presiding
he must have been presiding
we must have been presiding
you must have been presiding
they must have been presiding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't preside
you mustn't preside
he mustn't preside
we mustn't preside
you mustn't preside
they mustn't preside 	I mustn't be presiding
you mustn't be presiding
he mustn't be presiding
we mustn't be presiding
you mustn't be presiding
they mustn't be presiding	I mustn't have presided
you mustn't have presided
he mustn't have presided
we mustn't have presided
you mustn't have presided
they mustn't have presided	I mustn't have been presiding
you mustn't have been presiding
he mustn't have been presiding
we mustn't have been presiding
you mustn't have been presiding
they mustn't have been presiding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I preside?
must you preside?
must he preside?
must we preside?
must you preside?
must they preside? 	must I be presiding?
must you be presiding?
must he be presiding?
must we be presiding?
must you be presiding?
must they be presiding? 	must I have presided?
must you have presided?
must he have presided?
must we have presided?
must you have presided?
must they have presided? 	must I have been presiding?
must you have been presiding?
must he have been presiding?
must we have been presiding?
must you have been presiding?
must they have been presiding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I preside?
mustn't you preside?
mustn't he preside?
mustn't we preside?
mustn't you preside?
mustn't they preside? 	mustn't I be presiding?
mustn't you be presiding?
mustn't he be presiding?
mustn't we be presiding?
mustn't you be presiding?
mustn't they be presiding? 	mustn't I have presided?
mustn't you have presided?
mustn't he have presided?
mustn't we have presided?
mustn't you have presided?
mustn't they have presided? 	mustn't I have been presiding?
mustn't you have been presiding?
mustn't he have been presiding?
mustn't we have been presiding?
mustn't you have been presiding?
mustn't they have been presiding?