must presignal
Regular verb: presignal - presignaled- presignaled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must presignal
you must presignal
he must presignal
we must presignal
you must presignal
they must presignal 	I must be presignaling
you must be presignaling
he must be presignaling
we must be presignaling
you must be presignaling
they must be presignaling	I must have presignaled
you must have presignaled
he must have presignaled
we must have presignaled
you must have presignaled
they must have presignaled	I must have been presignaling
you must have been presignaling
he must have been presignaling
we must have been presignaling
you must have been presignaling
they must have been presignaling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't presignal
you mustn't presignal
he mustn't presignal
we mustn't presignal
you mustn't presignal
they mustn't presignal 	I mustn't be presignaling
you mustn't be presignaling
he mustn't be presignaling
we mustn't be presignaling
you mustn't be presignaling
they mustn't be presignaling	I mustn't have presignaled
you mustn't have presignaled
he mustn't have presignaled
we mustn't have presignaled
you mustn't have presignaled
they mustn't have presignaled	I mustn't have been presignaling
you mustn't have been presignaling
he mustn't have been presignaling
we mustn't have been presignaling
you mustn't have been presignaling
they mustn't have been presignaling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I presignal?
must you presignal?
must he presignal?
must we presignal?
must you presignal?
must they presignal? 	must I be presignaling?
must you be presignaling?
must he be presignaling?
must we be presignaling?
must you be presignaling?
must they be presignaling? 	must I have presignaled?
must you have presignaled?
must he have presignaled?
must we have presignaled?
must you have presignaled?
must they have presignaled? 	must I have been presignaling?
must you have been presignaling?
must he have been presignaling?
must we have been presignaling?
must you have been presignaling?
must they have been presignaling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I presignal?
mustn't you presignal?
mustn't he presignal?
mustn't we presignal?
mustn't you presignal?
mustn't they presignal? 	mustn't I be presignaling?
mustn't you be presignaling?
mustn't he be presignaling?
mustn't we be presignaling?
mustn't you be presignaling?
mustn't they be presignaling? 	mustn't I have presignaled?
mustn't you have presignaled?
mustn't he have presignaled?
mustn't we have presignaled?
mustn't you have presignaled?
mustn't they have presignaled? 	mustn't I have been presignaling?
mustn't you have been presignaling?
mustn't he have been presignaling?
mustn't we have been presignaling?
mustn't you have been presignaling?
mustn't they have been presignaling?