must listen
Verbo regolare: listen - listened- listened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must listen
you must listen
he must listen
we must listen
you must listen
they must listen 	I must be listening
you must be listening
he must be listening
we must be listening
you must be listening
they must be listening	I must have listened
you must have listened
he must have listened
we must have listened
you must have listened
they must have listened	I must have been listening
you must have been listening
he must have been listening
we must have been listening
you must have been listening
they must have been listening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not listen
you must not listen
he must not listen
we must not listen
you must not listen
they must not listen 	I must not be listening
you must not be listening
he must not be listening
we must not be listening
you must not be listening
they must not be listening	I must not have listened
you must not have listened
he must not have listened
we must not have listened
you must not have listened
they must not have listened	I must not have been listening
you must not have been listening
he must not have been listening
we must not have been listening
you must not have been listening
they must not have been listening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I listen?
must you listen?
must he listen?
must we listen?
must you listen?
must they listen? 	must I be listening?
must you be listening?
must he be listening?
must we be listening?
must you be listening?
must they be listening? 	must I have listened?
must you have listened?
must he have listened?
must we have listened?
must you have listened?
must they have listened? 	must I have been listening?
must you have been listening?
must he have been listening?
must we have been listening?
must you have been listening?
must they have been listening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not listen?
must you not listen?
must he not listen?
must we not listen?
must you not listen?
must they not listen? 	must I not be listening?
must you not be listening?
must he not be listening?
must we not be listening?
must you not be listening?
must they not be listening? 	must I not have listened?
must you not have listened?
must he not have listened?
must we not have listened?
must you not have listened?
must they not have listened? 	must I not have been listening?
must you not have been listening?
must he not have been listening?
must we not have been listening?
must you not have been listening?
must they not have been listening?