must sleave
Verbe régulier : sleave - sleaved- sleaved

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must sleave
you must sleave
she must sleave
we must sleave
you must sleave
they must sleave 	I must be sleaving
you must be sleaving
she must be sleaving
we must be sleaving
you must be sleaving
they must be sleaving	I must have sleaved
you must have sleaved
she must have sleaved
we must have sleaved
you must have sleaved
they must have sleaved	I must have been sleaving
you must have been sleaving
she must have been sleaving
we must have been sleaving
you must have been sleaving
they must have been sleaving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't sleave
you mustn't sleave
she mustn't sleave
we mustn't sleave
you mustn't sleave
they mustn't sleave 	I mustn't be sleaving
you mustn't be sleaving
she mustn't be sleaving
we mustn't be sleaving
you mustn't be sleaving
they mustn't be sleaving	I mustn't have sleaved
you mustn't have sleaved
she mustn't have sleaved
we mustn't have sleaved
you mustn't have sleaved
they mustn't have sleaved	I mustn't have been sleaving
you mustn't have been sleaving
she mustn't have been sleaving
we mustn't have been sleaving
you mustn't have been sleaving
they mustn't have been sleaving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I sleave?
must you sleave?
must she sleave?
must we sleave?
must you sleave?
must they sleave? 	must I be sleaving?
must you be sleaving?
must she be sleaving?
must we be sleaving?
must you be sleaving?
must they be sleaving? 	must I have sleaved?
must you have sleaved?
must she have sleaved?
must we have sleaved?
must you have sleaved?
must they have sleaved? 	must I have been sleaving?
must you have been sleaving?
must she have been sleaving?
must we have been sleaving?
must you have been sleaving?
must they have been sleaving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I sleave?
mustn't you sleave?
mustn't she sleave?
mustn't we sleave?
mustn't you sleave?
mustn't they sleave? 	mustn't I be sleaving?
mustn't you be sleaving?
mustn't she be sleaving?
mustn't we be sleaving?
mustn't you be sleaving?
mustn't they be sleaving? 	mustn't I have sleaved?
mustn't you have sleaved?
mustn't she have sleaved?
mustn't we have sleaved?
mustn't you have sleaved?
mustn't they have sleaved? 	mustn't I have been sleaving?
mustn't you have been sleaving?
mustn't she have been sleaving?
mustn't we have been sleaving?
mustn't you have been sleaving?
mustn't they have been sleaving?