must skitter
Verbe régulier : skitter - skittered- skittered
Traduction française : trottiner - faire des ricochets 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must skitter
you must skitter
he must skitter
we must skitter
you must skitter
they must skitter 	I must be skittering
you must be skittering
he must be skittering
we must be skittering
you must be skittering
they must be skittering	I must have skittered
you must have skittered
he must have skittered
we must have skittered
you must have skittered
they must have skittered	I must have been skittering
you must have been skittering
he must have been skittering
we must have been skittering
you must have been skittering
they must have been skittering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't skitter
you mustn't skitter
he mustn't skitter
we mustn't skitter
you mustn't skitter
they mustn't skitter 	I mustn't be skittering
you mustn't be skittering
he mustn't be skittering
we mustn't be skittering
you mustn't be skittering
they mustn't be skittering	I mustn't have skittered
you mustn't have skittered
he mustn't have skittered
we mustn't have skittered
you mustn't have skittered
they mustn't have skittered	I mustn't have been skittering
you mustn't have been skittering
he mustn't have been skittering
we mustn't have been skittering
you mustn't have been skittering
they mustn't have been skittering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I skitter?
must you skitter?
must he skitter?
must we skitter?
must you skitter?
must they skitter? 	must I be skittering?
must you be skittering?
must he be skittering?
must we be skittering?
must you be skittering?
must they be skittering? 	must I have skittered?
must you have skittered?
must he have skittered?
must we have skittered?
must you have skittered?
must they have skittered? 	must I have been skittering?
must you have been skittering?
must he have been skittering?
must we have been skittering?
must you have been skittering?
must they have been skittering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I skitter?
mustn't you skitter?
mustn't he skitter?
mustn't we skitter?
mustn't you skitter?
mustn't they skitter? 	mustn't I be skittering?
mustn't you be skittering?
mustn't he be skittering?
mustn't we be skittering?
mustn't you be skittering?
mustn't they be skittering? 	mustn't I have skittered?
mustn't you have skittered?
mustn't he have skittered?
mustn't we have skittered?
mustn't you have skittered?
mustn't they have skittered? 	mustn't I have been skittering?
mustn't you have been skittering?
mustn't he have been skittering?
mustn't we have been skittering?
mustn't you have been skittering?
mustn't they have been skittering?