must unround
Verbe régulier : unround - unrounded- unrounded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must unround
you must unround
she must unround
we must unround
you must unround
they must unround 	I must be unrounding
you must be unrounding
she must be unrounding
we must be unrounding
you must be unrounding
they must be unrounding	I must have unrounded
you must have unrounded
she must have unrounded
we must have unrounded
you must have unrounded
they must have unrounded	I must have been unrounding
you must have been unrounding
she must have been unrounding
we must have been unrounding
you must have been unrounding
they must have been unrounding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't unround
you mustn't unround
she mustn't unround
we mustn't unround
you mustn't unround
they mustn't unround 	I mustn't be unrounding
you mustn't be unrounding
she mustn't be unrounding
we mustn't be unrounding
you mustn't be unrounding
they mustn't be unrounding	I mustn't have unrounded
you mustn't have unrounded
she mustn't have unrounded
we mustn't have unrounded
you mustn't have unrounded
they mustn't have unrounded	I mustn't have been unrounding
you mustn't have been unrounding
she mustn't have been unrounding
we mustn't have been unrounding
you mustn't have been unrounding
they mustn't have been unrounding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I unround?
must you unround?
must she unround?
must we unround?
must you unround?
must they unround? 	must I be unrounding?
must you be unrounding?
must she be unrounding?
must we be unrounding?
must you be unrounding?
must they be unrounding? 	must I have unrounded?
must you have unrounded?
must she have unrounded?
must we have unrounded?
must you have unrounded?
must they have unrounded? 	must I have been unrounding?
must you have been unrounding?
must she have been unrounding?
must we have been unrounding?
must you have been unrounding?
must they have been unrounding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I unround?
mustn't you unround?
mustn't she unround?
mustn't we unround?
mustn't you unround?
mustn't they unround? 	mustn't I be unrounding?
mustn't you be unrounding?
mustn't she be unrounding?
mustn't we be unrounding?
mustn't you be unrounding?
mustn't they be unrounding? 	mustn't I have unrounded?
mustn't you have unrounded?
mustn't she have unrounded?
mustn't we have unrounded?
mustn't you have unrounded?
mustn't they have unrounded? 	mustn't I have been unrounding?
mustn't you have been unrounding?
mustn't she have been unrounding?
mustn't we have been unrounding?
mustn't you have been unrounding?
mustn't they have been unrounding?