must gad
Verbo regular: gad - gadded- gadded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must gad
you must gad
he must gad
we must gad
you must gad
they must gad 	I must be gadding
you must be gadding
he must be gadding
we must be gadding
you must be gadding
they must be gadding	I must have gadded
you must have gadded
he must have gadded
we must have gadded
you must have gadded
they must have gadded	I must have been gadding
you must have been gadding
he must have been gadding
we must have been gadding
you must have been gadding
they must have been gadding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't gad
you mustn't gad
he mustn't gad
we mustn't gad
you mustn't gad
they mustn't gad 	I mustn't be gadding
you mustn't be gadding
he mustn't be gadding
we mustn't be gadding
you mustn't be gadding
they mustn't be gadding	I mustn't have gadded
you mustn't have gadded
he mustn't have gadded
we mustn't have gadded
you mustn't have gadded
they mustn't have gadded	I mustn't have been gadding
you mustn't have been gadding
he mustn't have been gadding
we mustn't have been gadding
you mustn't have been gadding
they mustn't have been gadding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I gad?
must you gad?
must he gad?
must we gad?
must you gad?
must they gad? 	must I be gadding?
must you be gadding?
must he be gadding?
must we be gadding?
must you be gadding?
must they be gadding? 	must I have gadded?
must you have gadded?
must he have gadded?
must we have gadded?
must you have gadded?
must they have gadded? 	must I have been gadding?
must you have been gadding?
must he have been gadding?
must we have been gadding?
must you have been gadding?
must they have been gadding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I gad?
mustn't you gad?
mustn't he gad?
mustn't we gad?
mustn't you gad?
mustn't they gad? 	mustn't I be gadding?
mustn't you be gadding?
mustn't he be gadding?
mustn't we be gadding?
mustn't you be gadding?
mustn't they be gadding? 	mustn't I have gadded?
mustn't you have gadded?
mustn't he have gadded?
mustn't we have gadded?
mustn't you have gadded?
mustn't they have gadded? 	mustn't I have been gadding?
mustn't you have been gadding?
mustn't he have been gadding?
mustn't we have been gadding?
mustn't you have been gadding?
mustn't they have been gadding?