must slipper
Verbe régulier : slipper - slippered- slippered
Traduction française : (UK)-donner une fessée à quelqu'un (avec une pantoufle) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must slipper
you must slipper
he must slipper
we must slipper
you must slipper
they must slipper 	I must be slippering
you must be slippering
he must be slippering
we must be slippering
you must be slippering
they must be slippering	I must have slippered
you must have slippered
he must have slippered
we must have slippered
you must have slippered
they must have slippered	I must have been slippering
you must have been slippering
he must have been slippering
we must have been slippering
you must have been slippering
they must have been slippering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't slipper
you mustn't slipper
he mustn't slipper
we mustn't slipper
you mustn't slipper
they mustn't slipper 	I mustn't be slippering
you mustn't be slippering
he mustn't be slippering
we mustn't be slippering
you mustn't be slippering
they mustn't be slippering	I mustn't have slippered
you mustn't have slippered
he mustn't have slippered
we mustn't have slippered
you mustn't have slippered
they mustn't have slippered	I mustn't have been slippering
you mustn't have been slippering
he mustn't have been slippering
we mustn't have been slippering
you mustn't have been slippering
they mustn't have been slippering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I slipper?
must you slipper?
must he slipper?
must we slipper?
must you slipper?
must they slipper? 	must I be slippering?
must you be slippering?
must he be slippering?
must we be slippering?
must you be slippering?
must they be slippering? 	must I have slippered?
must you have slippered?
must he have slippered?
must we have slippered?
must you have slippered?
must they have slippered? 	must I have been slippering?
must you have been slippering?
must he have been slippering?
must we have been slippering?
must you have been slippering?
must they have been slippering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I slipper?
mustn't you slipper?
mustn't he slipper?
mustn't we slipper?
mustn't you slipper?
mustn't they slipper? 	mustn't I be slippering?
mustn't you be slippering?
mustn't he be slippering?
mustn't we be slippering?
mustn't you be slippering?
mustn't they be slippering? 	mustn't I have slippered?
mustn't you have slippered?
mustn't he have slippered?
mustn't we have slippered?
mustn't you have slippered?
mustn't they have slippered? 	mustn't I have been slippering?
mustn't you have been slippering?
mustn't he have been slippering?
mustn't we have been slippering?
mustn't you have been slippering?
mustn't they have been slippering?