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
he must unround
we must unround
you must unround
they must unround 	I must be unrounding
you must be unrounding
he must be unrounding
we must be unrounding
you must be unrounding
they must be unrounding	I must have unrounded
you must have unrounded
he 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
he 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 must not unround
you must not unround
he must not unround
we must not unround
you must not unround
they must not unround 	I must not be unrounding
you must not be unrounding
he must not be unrounding
we must not be unrounding
you must not be unrounding
they must not be unrounding	I must not have unrounded
you must not have unrounded
he must not have unrounded
we must not have unrounded
you must not have unrounded
they must not have unrounded	I must not have been unrounding
you must not have been unrounding
he must not have been unrounding
we must not have been unrounding
you must not have been unrounding
they must not have been unrounding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I unround?
must you unround?
must he unround?
must we unround?
must you unround?
must they unround? 	must I be unrounding?
must you be unrounding?
must he be unrounding?
must we be unrounding?
must you be unrounding?
must they be unrounding? 	must I have unrounded?
must you have unrounded?
must he 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 he 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 	
must I not unround?
must you not unround?
must he not unround?
must we not unround?
must you not unround?
must they not unround? 	must I not be unrounding?
must you not be unrounding?
must he not be unrounding?
must we not be unrounding?
must you not be unrounding?
must they not be unrounding? 	must I not have unrounded?
must you not have unrounded?
must he not have unrounded?
must we not have unrounded?
must you not have unrounded?
must they not have unrounded? 	must I not have been unrounding?
must you not have been unrounding?
must he not have been unrounding?
must we not have been unrounding?
must you not have been unrounding?
must they not have been unrounding?