must gab
Verbo regolare: gab - gabbed- gabbed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must gab
you must gab
he must gab
we must gab
you must gab
they must gab 	I must be gabbing
you must be gabbing
he must be gabbing
we must be gabbing
you must be gabbing
they must be gabbing	I must have gabbed
you must have gabbed
he must have gabbed
we must have gabbed
you must have gabbed
they must have gabbed	I must have been gabbing
you must have been gabbing
he must have been gabbing
we must have been gabbing
you must have been gabbing
they must have been gabbing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't gab
you mustn't gab
he mustn't gab
we mustn't gab
you mustn't gab
they mustn't gab 	I mustn't be gabbing
you mustn't be gabbing
he mustn't be gabbing
we mustn't be gabbing
you mustn't be gabbing
they mustn't be gabbing	I mustn't have gabbed
you mustn't have gabbed
he mustn't have gabbed
we mustn't have gabbed
you mustn't have gabbed
they mustn't have gabbed	I mustn't have been gabbing
you mustn't have been gabbing
he mustn't have been gabbing
we mustn't have been gabbing
you mustn't have been gabbing
they mustn't have been gabbing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I gab?
must you gab?
must he gab?
must we gab?
must you gab?
must they gab? 	must I be gabbing?
must you be gabbing?
must he be gabbing?
must we be gabbing?
must you be gabbing?
must they be gabbing? 	must I have gabbed?
must you have gabbed?
must he have gabbed?
must we have gabbed?
must you have gabbed?
must they have gabbed? 	must I have been gabbing?
must you have been gabbing?
must he have been gabbing?
must we have been gabbing?
must you have been gabbing?
must they have been gabbing? 	

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