must furrow
Verbe régulier : furrow - furrowed- furrowed
Traduction française : sillonner - se plisser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must furrow
you must furrow
she must furrow
we must furrow
you must furrow
they must furrow 	I must be furrowing
you must be furrowing
she must be furrowing
we must be furrowing
you must be furrowing
they must be furrowing	I must have furrowed
you must have furrowed
she must have furrowed
we must have furrowed
you must have furrowed
they must have furrowed	I must have been furrowing
you must have been furrowing
she must have been furrowing
we must have been furrowing
you must have been furrowing
they must have been furrowing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't furrow
you mustn't furrow
she mustn't furrow
we mustn't furrow
you mustn't furrow
they mustn't furrow 	I mustn't be furrowing
you mustn't be furrowing
she mustn't be furrowing
we mustn't be furrowing
you mustn't be furrowing
they mustn't be furrowing	I mustn't have furrowed
you mustn't have furrowed
she mustn't have furrowed
we mustn't have furrowed
you mustn't have furrowed
they mustn't have furrowed	I mustn't have been furrowing
you mustn't have been furrowing
she mustn't have been furrowing
we mustn't have been furrowing
you mustn't have been furrowing
they mustn't have been furrowing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I furrow?
must you furrow?
must she furrow?
must we furrow?
must you furrow?
must they furrow? 	must I be furrowing?
must you be furrowing?
must she be furrowing?
must we be furrowing?
must you be furrowing?
must they be furrowing? 	must I have furrowed?
must you have furrowed?
must she have furrowed?
must we have furrowed?
must you have furrowed?
must they have furrowed? 	must I have been furrowing?
must you have been furrowing?
must she have been furrowing?
must we have been furrowing?
must you have been furrowing?
must they have been furrowing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I furrow?
mustn't you furrow?
mustn't she furrow?
mustn't we furrow?
mustn't you furrow?
mustn't they furrow? 	mustn't I be furrowing?
mustn't you be furrowing?
mustn't she be furrowing?
mustn't we be furrowing?
mustn't you be furrowing?
mustn't they be furrowing? 	mustn't I have furrowed?
mustn't you have furrowed?
mustn't she have furrowed?
mustn't we have furrowed?
mustn't you have furrowed?
mustn't they have furrowed? 	mustn't I have been furrowing?
mustn't you have been furrowing?
mustn't she have been furrowing?
mustn't we have been furrowing?
mustn't you have been furrowing?
mustn't they have been furrowing?