must formulate
Regular verb: formulate - formulated- formulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must formulate
you must formulate
he must formulate
we must formulate
you must formulate
they must formulate 	I must be formulating
you must be formulating
he must be formulating
we must be formulating
you must be formulating
they must be formulating	I must have formulated
you must have formulated
he must have formulated
we must have formulated
you must have formulated
they must have formulated	I must have been formulating
you must have been formulating
he must have been formulating
we must have been formulating
you must have been formulating
they must have been formulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't formulate
you mustn't formulate
he mustn't formulate
we mustn't formulate
you mustn't formulate
they mustn't formulate 	I mustn't be formulating
you mustn't be formulating
he mustn't be formulating
we mustn't be formulating
you mustn't be formulating
they mustn't be formulating	I mustn't have formulated
you mustn't have formulated
he mustn't have formulated
we mustn't have formulated
you mustn't have formulated
they mustn't have formulated	I mustn't have been formulating
you mustn't have been formulating
he mustn't have been formulating
we mustn't have been formulating
you mustn't have been formulating
they mustn't have been formulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I formulate?
must you formulate?
must he formulate?
must we formulate?
must you formulate?
must they formulate? 	must I be formulating?
must you be formulating?
must he be formulating?
must we be formulating?
must you be formulating?
must they be formulating? 	must I have formulated?
must you have formulated?
must he have formulated?
must we have formulated?
must you have formulated?
must they have formulated? 	must I have been formulating?
must you have been formulating?
must he have been formulating?
must we have been formulating?
must you have been formulating?
must they have been formulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I formulate?
mustn't you formulate?
mustn't he formulate?
mustn't we formulate?
mustn't you formulate?
mustn't they formulate? 	mustn't I be formulating?
mustn't you be formulating?
mustn't he be formulating?
mustn't we be formulating?
mustn't you be formulating?
mustn't they be formulating? 	mustn't I have formulated?
mustn't you have formulated?
mustn't he have formulated?
mustn't we have formulated?
mustn't you have formulated?
mustn't they have formulated? 	mustn't I have been formulating?
mustn't you have been formulating?
mustn't he have been formulating?
mustn't we have been formulating?
mustn't you have been formulating?
mustn't they have been formulating?