must slapp
Verbe régulier : slapp - slapped- slapped

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must slapp
you must slapp
she must slapp
we must slapp
you must slapp
they must slapp 	I must be slapping
you must be slapping
she must be slapping
we must be slapping
you must be slapping
they must be slapping	I must have slapped
you must have slapped
she must have slapped
we must have slapped
you must have slapped
they must have slapped	I must have been slapping
you must have been slapping
she must have been slapping
we must have been slapping
you must have been slapping
they must have been slapping	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't slapp
you mustn't slapp
she mustn't slapp
we mustn't slapp
you mustn't slapp
they mustn't slapp 	I mustn't be slapping
you mustn't be slapping
she mustn't be slapping
we mustn't be slapping
you mustn't be slapping
they mustn't be slapping	I mustn't have slapped
you mustn't have slapped
she mustn't have slapped
we mustn't have slapped
you mustn't have slapped
they mustn't have slapped	I mustn't have been slapping
you mustn't have been slapping
she mustn't have been slapping
we mustn't have been slapping
you mustn't have been slapping
they mustn't have been slapping	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I slapp?
must you slapp?
must she slapp?
must we slapp?
must you slapp?
must they slapp? 	must I be slapping?
must you be slapping?
must she be slapping?
must we be slapping?
must you be slapping?
must they be slapping? 	must I have slapped?
must you have slapped?
must she have slapped?
must we have slapped?
must you have slapped?
must they have slapped? 	must I have been slapping?
must you have been slapping?
must she have been slapping?
must we have been slapping?
must you have been slapping?
must they have been slapping? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I slapp?
mustn't you slapp?
mustn't she slapp?
mustn't we slapp?
mustn't you slapp?
mustn't they slapp? 	mustn't I be slapping?
mustn't you be slapping?
mustn't she be slapping?
mustn't we be slapping?
mustn't you be slapping?
mustn't they be slapping? 	mustn't I have slapped?
mustn't you have slapped?
mustn't she have slapped?
mustn't we have slapped?
mustn't you have slapped?
mustn't they have slapped? 	mustn't I have been slapping?
mustn't you have been slapping?
mustn't she have been slapping?
mustn't we have been slapping?
mustn't you have been slapping?
mustn't they have been slapping?