must untwine
Verbe régulier : untwine - untwined- untwined

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must untwine
you must untwine
she must untwine
we must untwine
you must untwine
they must untwine 	I must be untwining
you must be untwining
she must be untwining
we must be untwining
you must be untwining
they must be untwining	I must have untwined
you must have untwined
she must have untwined
we must have untwined
you must have untwined
they must have untwined	I must have been untwining
you must have been untwining
she must have been untwining
we must have been untwining
you must have been untwining
they must have been untwining	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't untwine
you mustn't untwine
she mustn't untwine
we mustn't untwine
you mustn't untwine
they mustn't untwine 	I mustn't be untwining
you mustn't be untwining
she mustn't be untwining
we mustn't be untwining
you mustn't be untwining
they mustn't be untwining	I mustn't have untwined
you mustn't have untwined
she mustn't have untwined
we mustn't have untwined
you mustn't have untwined
they mustn't have untwined	I mustn't have been untwining
you mustn't have been untwining
she mustn't have been untwining
we mustn't have been untwining
you mustn't have been untwining
they mustn't have been untwining	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I untwine?
must you untwine?
must she untwine?
must we untwine?
must you untwine?
must they untwine? 	must I be untwining?
must you be untwining?
must she be untwining?
must we be untwining?
must you be untwining?
must they be untwining? 	must I have untwined?
must you have untwined?
must she have untwined?
must we have untwined?
must you have untwined?
must they have untwined? 	must I have been untwining?
must you have been untwining?
must she have been untwining?
must we have been untwining?
must you have been untwining?
must they have been untwining? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I untwine?
mustn't you untwine?
mustn't she untwine?
mustn't we untwine?
mustn't you untwine?
mustn't they untwine? 	mustn't I be untwining?
mustn't you be untwining?
mustn't she be untwining?
mustn't we be untwining?
mustn't you be untwining?
mustn't they be untwining? 	mustn't I have untwined?
mustn't you have untwined?
mustn't she have untwined?
mustn't we have untwined?
mustn't you have untwined?
mustn't they have untwined? 	mustn't I have been untwining?
mustn't you have been untwining?
mustn't she have been untwining?
mustn't we have been untwining?
mustn't you have been untwining?
mustn't they have been untwining?