must chatter
Verbo regolare: chatter - chattered- chattered

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must chatter
you must chatter
she must chatter
we must chatter
you must chatter
they must chatter 	I must be chattering
you must be chattering
she must be chattering
we must be chattering
you must be chattering
they must be chattering	I must have chattered
you must have chattered
she must have chattered
we must have chattered
you must have chattered
they must have chattered	I must have been chattering
you must have been chattering
she must have been chattering
we must have been chattering
you must have been chattering
they must have been chattering	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't chatter
you mustn't chatter
she mustn't chatter
we mustn't chatter
you mustn't chatter
they mustn't chatter 	I mustn't be chattering
you mustn't be chattering
she mustn't be chattering
we mustn't be chattering
you mustn't be chattering
they mustn't be chattering	I mustn't have chattered
you mustn't have chattered
she mustn't have chattered
we mustn't have chattered
you mustn't have chattered
they mustn't have chattered	I mustn't have been chattering
you mustn't have been chattering
she mustn't have been chattering
we mustn't have been chattering
you mustn't have been chattering
they mustn't have been chattering	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I chatter?
must you chatter?
must she chatter?
must we chatter?
must you chatter?
must they chatter? 	must I be chattering?
must you be chattering?
must she be chattering?
must we be chattering?
must you be chattering?
must they be chattering? 	must I have chattered?
must you have chattered?
must she have chattered?
must we have chattered?
must you have chattered?
must they have chattered? 	must I have been chattering?
must you have been chattering?
must she have been chattering?
must we have been chattering?
must you have been chattering?
must they have been chattering? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I chatter?
mustn't you chatter?
mustn't she chatter?
mustn't we chatter?
mustn't you chatter?
mustn't they chatter? 	mustn't I be chattering?
mustn't you be chattering?
mustn't she be chattering?
mustn't we be chattering?
mustn't you be chattering?
mustn't they be chattering? 	mustn't I have chattered?
mustn't you have chattered?
mustn't she have chattered?
mustn't we have chattered?
mustn't you have chattered?
mustn't they have chattered? 	mustn't I have been chattering?
mustn't you have been chattering?
mustn't she have been chattering?
mustn't we have been chattering?
mustn't you have been chattering?
mustn't they have been chattering?