must telecommunicate
Regular verb: telecommunicate - telecommunicated- telecommunicated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must telecommunicate
you must telecommunicate
he must telecommunicate
we must telecommunicate
you must telecommunicate
they must telecommunicate 	I must be telecommunicating
you must be telecommunicating
he must be telecommunicating
we must be telecommunicating
you must be telecommunicating
they must be telecommunicating	I must have telecommunicated
you must have telecommunicated
he must have telecommunicated
we must have telecommunicated
you must have telecommunicated
they must have telecommunicated	I must have been telecommunicating
you must have been telecommunicating
he must have been telecommunicating
we must have been telecommunicating
you must have been telecommunicating
they must have been telecommunicating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't telecommunicate
you mustn't telecommunicate
he mustn't telecommunicate
we mustn't telecommunicate
you mustn't telecommunicate
they mustn't telecommunicate 	I mustn't be telecommunicating
you mustn't be telecommunicating
he mustn't be telecommunicating
we mustn't be telecommunicating
you mustn't be telecommunicating
they mustn't be telecommunicating	I mustn't have telecommunicated
you mustn't have telecommunicated
he mustn't have telecommunicated
we mustn't have telecommunicated
you mustn't have telecommunicated
they mustn't have telecommunicated	I mustn't have been telecommunicating
you mustn't have been telecommunicating
he mustn't have been telecommunicating
we mustn't have been telecommunicating
you mustn't have been telecommunicating
they mustn't have been telecommunicating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I telecommunicate?
must you telecommunicate?
must he telecommunicate?
must we telecommunicate?
must you telecommunicate?
must they telecommunicate? 	must I be telecommunicating?
must you be telecommunicating?
must he be telecommunicating?
must we be telecommunicating?
must you be telecommunicating?
must they be telecommunicating? 	must I have telecommunicated?
must you have telecommunicated?
must he have telecommunicated?
must we have telecommunicated?
must you have telecommunicated?
must they have telecommunicated? 	must I have been telecommunicating?
must you have been telecommunicating?
must he have been telecommunicating?
must we have been telecommunicating?
must you have been telecommunicating?
must they have been telecommunicating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I telecommunicate?
mustn't you telecommunicate?
mustn't he telecommunicate?
mustn't we telecommunicate?
mustn't you telecommunicate?
mustn't they telecommunicate? 	mustn't I be telecommunicating?
mustn't you be telecommunicating?
mustn't he be telecommunicating?
mustn't we be telecommunicating?
mustn't you be telecommunicating?
mustn't they be telecommunicating? 	mustn't I have telecommunicated?
mustn't you have telecommunicated?
mustn't he have telecommunicated?
mustn't we have telecommunicated?
mustn't you have telecommunicated?
mustn't they have telecommunicated? 	mustn't I have been telecommunicating?
mustn't you have been telecommunicating?
mustn't he have been telecommunicating?
mustn't we have been telecommunicating?
mustn't you have been telecommunicating?
mustn't they have been telecommunicating?