must quit
Verbo irregolare: quit - quit- quit

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must quit
you must quit
he must quit
we must quit
you must quit
they must quit 	I must be quitting
you must be quitting
he must be quitting
we must be quitting
you must be quitting
they must be quitting	I must have quit
you must have quit
he must have quit
we must have quit
you must have quit
they must have quit	I must have been quitting
you must have been quitting
he must have been quitting
we must have been quitting
you must have been quitting
they must have been quitting	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't quit
you mustn't quit
he mustn't quit
we mustn't quit
you mustn't quit
they mustn't quit 	I mustn't be quitting
you mustn't be quitting
he mustn't be quitting
we mustn't be quitting
you mustn't be quitting
they mustn't be quitting	I mustn't have quit
you mustn't have quit
he mustn't have quit
we mustn't have quit
you mustn't have quit
they mustn't have quit	I mustn't have been quitting
you mustn't have been quitting
he mustn't have been quitting
we mustn't have been quitting
you mustn't have been quitting
they mustn't have been quitting	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I quit?
must you quit?
must he quit?
must we quit?
must you quit?
must they quit? 	must I be quitting?
must you be quitting?
must he be quitting?
must we be quitting?
must you be quitting?
must they be quitting? 	must I have quit?
must you have quit?
must he have quit?
must we have quit?
must you have quit?
must they have quit? 	must I have been quitting?
must you have been quitting?
must he have been quitting?
must we have been quitting?
must you have been quitting?
must they have been quitting? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I quit?
mustn't you quit?
mustn't he quit?
mustn't we quit?
mustn't you quit?
mustn't they quit? 	mustn't I be quitting?
mustn't you be quitting?
mustn't he be quitting?
mustn't we be quitting?
mustn't you be quitting?
mustn't they be quitting? 	mustn't I have quit?
mustn't you have quit?
mustn't he have quit?
mustn't we have quit?
mustn't you have quit?
mustn't they have quit? 	mustn't I have been quitting?
mustn't you have been quitting?
mustn't he have been quitting?
mustn't we have been quitting?
mustn't you have been quitting?
mustn't they have been quitting?