must stave
Verbe irrégulier : stave - staved, stove- staved, stove

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must stave
you must stave
he must stave
we must stave
you must stave
they must stave 	I must be staving
you must be staving
he must be staving
we must be staving
you must be staving
they must be staving	I must have staved, stove
you must have staved, stove
he must have staved, stove
we must have staved, stove
you must have staved, stove
they must have staved, stove	I must have been staving
you must have been staving
he must have been staving
we must have been staving
you must have been staving
they must have been staving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't stave
you mustn't stave
he mustn't stave
we mustn't stave
you mustn't stave
they mustn't stave 	I mustn't be staving
you mustn't be staving
he mustn't be staving
we mustn't be staving
you mustn't be staving
they mustn't be staving	I mustn't have staved, stove
you mustn't have staved, stove
he mustn't have staved, stove
we mustn't have staved, stove
you mustn't have staved, stove
they mustn't have staved, stove	I mustn't have been staving
you mustn't have been staving
he mustn't have been staving
we mustn't have been staving
you mustn't have been staving
they mustn't have been staving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I stave?
must you stave?
must he stave?
must we stave?
must you stave?
must they stave? 	must I be staving?
must you be staving?
must he be staving?
must we be staving?
must you be staving?
must they be staving? 	must I have staved, stove?
must you have staved, stove?
must he have staved, stove?
must we have staved, stove?
must you have staved, stove?
must they have staved, stove? 	must I have been staving?
must you have been staving?
must he have been staving?
must we have been staving?
must you have been staving?
must they have been staving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I stave?
mustn't you stave?
mustn't he stave?
mustn't we stave?
mustn't you stave?
mustn't they stave? 	mustn't I be staving?
mustn't you be staving?
mustn't he be staving?
mustn't we be staving?
mustn't you be staving?
mustn't they be staving? 	mustn't I have staved, stove?
mustn't you have staved, stove?
mustn't he have staved, stove?
mustn't we have staved, stove?
mustn't you have staved, stove?
mustn't they have staved, stove? 	mustn't I have been staving?
mustn't you have been staving?
mustn't he have been staving?
mustn't we have been staving?
mustn't you have been staving?
mustn't they have been staving?