must sliver
Verbe régulier : sliver - slivered- slivered

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sliver
you must sliver
she must sliver
we must sliver
you must sliver
they must sliver 	I must be slivering
you must be slivering
she must be slivering
we must be slivering
you must be slivering
they must be slivering	I must have slivered
you must have slivered
she must have slivered
we must have slivered
you must have slivered
they must have slivered	I must have been slivering
you must have been slivering
she must have been slivering
we must have been slivering
you must have been slivering
they must have been slivering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sliver
you mustn't sliver
she mustn't sliver
we mustn't sliver
you mustn't sliver
they mustn't sliver 	I mustn't be slivering
you mustn't be slivering
she mustn't be slivering
we mustn't be slivering
you mustn't be slivering
they mustn't be slivering	I mustn't have slivered
you mustn't have slivered
she mustn't have slivered
we mustn't have slivered
you mustn't have slivered
they mustn't have slivered	I mustn't have been slivering
you mustn't have been slivering
she mustn't have been slivering
we mustn't have been slivering
you mustn't have been slivering
they mustn't have been slivering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sliver?
must you sliver?
must she sliver?
must we sliver?
must you sliver?
must they sliver? 	must I be slivering?
must you be slivering?
must she be slivering?
must we be slivering?
must you be slivering?
must they be slivering? 	must I have slivered?
must you have slivered?
must she have slivered?
must we have slivered?
must you have slivered?
must they have slivered? 	must I have been slivering?
must you have been slivering?
must she have been slivering?
must we have been slivering?
must you have been slivering?
must they have been slivering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sliver?
mustn't you sliver?
mustn't she sliver?
mustn't we sliver?
mustn't you sliver?
mustn't they sliver? 	mustn't I be slivering?
mustn't you be slivering?
mustn't she be slivering?
mustn't we be slivering?
mustn't you be slivering?
mustn't they be slivering? 	mustn't I have slivered?
mustn't you have slivered?
mustn't she have slivered?
mustn't we have slivered?
mustn't you have slivered?
mustn't they have slivered? 	mustn't I have been slivering?
mustn't you have been slivering?
mustn't she have been slivering?
mustn't we have been slivering?
mustn't you have been slivering?
mustn't they have been slivering?