must trample
Verbe régulier : trample - trampled- trampled
Traduction française : piétiner - marcher d'un pas lourd 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must trample
you must trample
he must trample
we must trample
you must trample
they must trample 	I must be trampling
you must be trampling
he must be trampling
we must be trampling
you must be trampling
they must be trampling	I must have trampled
you must have trampled
he must have trampled
we must have trampled
you must have trampled
they must have trampled	I must have been trampling
you must have been trampling
he must have been trampling
we must have been trampling
you must have been trampling
they must have been trampling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't trample
you mustn't trample
he mustn't trample
we mustn't trample
you mustn't trample
they mustn't trample 	I mustn't be trampling
you mustn't be trampling
he mustn't be trampling
we mustn't be trampling
you mustn't be trampling
they mustn't be trampling	I mustn't have trampled
you mustn't have trampled
he mustn't have trampled
we mustn't have trampled
you mustn't have trampled
they mustn't have trampled	I mustn't have been trampling
you mustn't have been trampling
he mustn't have been trampling
we mustn't have been trampling
you mustn't have been trampling
they mustn't have been trampling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I trample?
must you trample?
must he trample?
must we trample?
must you trample?
must they trample? 	must I be trampling?
must you be trampling?
must he be trampling?
must we be trampling?
must you be trampling?
must they be trampling? 	must I have trampled?
must you have trampled?
must he have trampled?
must we have trampled?
must you have trampled?
must they have trampled? 	must I have been trampling?
must you have been trampling?
must he have been trampling?
must we have been trampling?
must you have been trampling?
must they have been trampling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I trample?
mustn't you trample?
mustn't he trample?
mustn't we trample?
mustn't you trample?
mustn't they trample? 	mustn't I be trampling?
mustn't you be trampling?
mustn't he be trampling?
mustn't we be trampling?
mustn't you be trampling?
mustn't they be trampling? 	mustn't I have trampled?
mustn't you have trampled?
mustn't he have trampled?
mustn't we have trampled?
mustn't you have trampled?
mustn't they have trampled? 	mustn't I have been trampling?
mustn't you have been trampling?
mustn't he have been trampling?
mustn't we have been trampling?
mustn't you have been trampling?
mustn't they have been trampling?