must federate
Regular verb: federate - federated- federated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must federate
you must federate
he must federate
we must federate
you must federate
they must federate 	I must be federating
you must be federating
he must be federating
we must be federating
you must be federating
they must be federating	I must have federated
you must have federated
he must have federated
we must have federated
you must have federated
they must have federated	I must have been federating
you must have been federating
he must have been federating
we must have been federating
you must have been federating
they must have been federating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't federate
you mustn't federate
he mustn't federate
we mustn't federate
you mustn't federate
they mustn't federate 	I mustn't be federating
you mustn't be federating
he mustn't be federating
we mustn't be federating
you mustn't be federating
they mustn't be federating	I mustn't have federated
you mustn't have federated
he mustn't have federated
we mustn't have federated
you mustn't have federated
they mustn't have federated	I mustn't have been federating
you mustn't have been federating
he mustn't have been federating
we mustn't have been federating
you mustn't have been federating
they mustn't have been federating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I federate?
must you federate?
must he federate?
must we federate?
must you federate?
must they federate? 	must I be federating?
must you be federating?
must he be federating?
must we be federating?
must you be federating?
must they be federating? 	must I have federated?
must you have federated?
must he have federated?
must we have federated?
must you have federated?
must they have federated? 	must I have been federating?
must you have been federating?
must he have been federating?
must we have been federating?
must you have been federating?
must they have been federating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I federate?
mustn't you federate?
mustn't he federate?
mustn't we federate?
mustn't you federate?
mustn't they federate? 	mustn't I be federating?
mustn't you be federating?
mustn't he be federating?
mustn't we be federating?
mustn't you be federating?
mustn't they be federating? 	mustn't I have federated?
mustn't you have federated?
mustn't he have federated?
mustn't we have federated?
mustn't you have federated?
mustn't they have federated? 	mustn't I have been federating?
mustn't you have been federating?
mustn't he have been federating?
mustn't we have been federating?
mustn't you have been federating?
mustn't they have been federating?