must underquote
Verbo regular: underquote - underquoted- underquoted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must underquote
you must underquote
he must underquote
we must underquote
you must underquote
they must underquote 	I must be underquoting
you must be underquoting
he must be underquoting
we must be underquoting
you must be underquoting
they must be underquoting	I must have underquoted
you must have underquoted
he must have underquoted
we must have underquoted
you must have underquoted
they must have underquoted	I must have been underquoting
you must have been underquoting
he must have been underquoting
we must have been underquoting
you must have been underquoting
they must have been underquoting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't underquote
you mustn't underquote
he mustn't underquote
we mustn't underquote
you mustn't underquote
they mustn't underquote 	I mustn't be underquoting
you mustn't be underquoting
he mustn't be underquoting
we mustn't be underquoting
you mustn't be underquoting
they mustn't be underquoting	I mustn't have underquoted
you mustn't have underquoted
he mustn't have underquoted
we mustn't have underquoted
you mustn't have underquoted
they mustn't have underquoted	I mustn't have been underquoting
you mustn't have been underquoting
he mustn't have been underquoting
we mustn't have been underquoting
you mustn't have been underquoting
they mustn't have been underquoting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I underquote?
must you underquote?
must he underquote?
must we underquote?
must you underquote?
must they underquote? 	must I be underquoting?
must you be underquoting?
must he be underquoting?
must we be underquoting?
must you be underquoting?
must they be underquoting? 	must I have underquoted?
must you have underquoted?
must he have underquoted?
must we have underquoted?
must you have underquoted?
must they have underquoted? 	must I have been underquoting?
must you have been underquoting?
must he have been underquoting?
must we have been underquoting?
must you have been underquoting?
must they have been underquoting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I underquote?
mustn't you underquote?
mustn't he underquote?
mustn't we underquote?
mustn't you underquote?
mustn't they underquote? 	mustn't I be underquoting?
mustn't you be underquoting?
mustn't he be underquoting?
mustn't we be underquoting?
mustn't you be underquoting?
mustn't they be underquoting? 	mustn't I have underquoted?
mustn't you have underquoted?
mustn't he have underquoted?
mustn't we have underquoted?
mustn't you have underquoted?
mustn't they have underquoted? 	mustn't I have been underquoting?
mustn't you have been underquoting?
mustn't he have been underquoting?
mustn't we have been underquoting?
mustn't you have been underquoting?
mustn't they have been underquoting?