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 must not underquote
you must not underquote
he must not underquote
we must not underquote
you must not underquote
they must not underquote 	I must not be underquoting
you must not be underquoting
he must not be underquoting
we must not be underquoting
you must not be underquoting
they must not be underquoting	I must not have underquoted
you must not have underquoted
he must not have underquoted
we must not have underquoted
you must not have underquoted
they must not have underquoted	I must not have been underquoting
you must not have been underquoting
he must not have been underquoting
we must not have been underquoting
you must not have been underquoting
they must not 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 	
must I not underquote?
must you not underquote?
must he not underquote?
must we not underquote?
must you not underquote?
must they not underquote? 	must I not be underquoting?
must you not be underquoting?
must he not be underquoting?
must we not be underquoting?
must you not be underquoting?
must they not be underquoting? 	must I not have underquoted?
must you not have underquoted?
must he not have underquoted?
must we not have underquoted?
must you not have underquoted?
must they not have underquoted? 	must I not have been underquoting?
must you not have been underquoting?
must he not have been underquoting?
must we not have been underquoting?
must you not have been underquoting?
must they not have been underquoting?