must prestress
Verbo regolare: prestress - prestressed- prestressed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must prestress
you must prestress
he must prestress
we must prestress
you must prestress
they must prestress 	I must be prestressing
you must be prestressing
he must be prestressing
we must be prestressing
you must be prestressing
they must be prestressing	I must have prestressed
you must have prestressed
he must have prestressed
we must have prestressed
you must have prestressed
they must have prestressed	I must have been prestressing
you must have been prestressing
he must have been prestressing
we must have been prestressing
you must have been prestressing
they must have been prestressing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must not prestress
you must not prestress
he must not prestress
we must not prestress
you must not prestress
they must not prestress 	I must not be prestressing
you must not be prestressing
he must not be prestressing
we must not be prestressing
you must not be prestressing
they must not be prestressing	I must not have prestressed
you must not have prestressed
he must not have prestressed
we must not have prestressed
you must not have prestressed
they must not have prestressed	I must not have been prestressing
you must not have been prestressing
he must not have been prestressing
we must not have been prestressing
you must not have been prestressing
they must not have been prestressing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I prestress?
must you prestress?
must he prestress?
must we prestress?
must you prestress?
must they prestress? 	must I be prestressing?
must you be prestressing?
must he be prestressing?
must we be prestressing?
must you be prestressing?
must they be prestressing? 	must I have prestressed?
must you have prestressed?
must he have prestressed?
must we have prestressed?
must you have prestressed?
must they have prestressed? 	must I have been prestressing?
must you have been prestressing?
must he have been prestressing?
must we have been prestressing?
must you have been prestressing?
must they have been prestressing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I not prestress?
must you not prestress?
must he not prestress?
must we not prestress?
must you not prestress?
must they not prestress? 	must I not be prestressing?
must you not be prestressing?
must he not be prestressing?
must we not be prestressing?
must you not be prestressing?
must they not be prestressing? 	must I not have prestressed?
must you not have prestressed?
must he not have prestressed?
must we not have prestressed?
must you not have prestressed?
must they not have prestressed? 	must I not have been prestressing?
must you not have been prestressing?
must he not have been prestressing?
must we not have been prestressing?
must you not have been prestressing?
must they not have been prestressing?