must rototill
Verbe régulier : rototill - rototilled- rototilled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must rototill
you must rototill
he must rototill
we must rototill
you must rototill
they must rototill 	I must be rototilling
you must be rototilling
he must be rototilling
we must be rototilling
you must be rototilling
they must be rototilling	I must have rototilled
you must have rototilled
he must have rototilled
we must have rototilled
you must have rototilled
they must have rototilled	I must have been rototilling
you must have been rototilling
he must have been rototilling
we must have been rototilling
you must have been rototilling
they must have been rototilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't rototill
you mustn't rototill
he mustn't rototill
we mustn't rototill
you mustn't rototill
they mustn't rototill 	I mustn't be rototilling
you mustn't be rototilling
he mustn't be rototilling
we mustn't be rototilling
you mustn't be rototilling
they mustn't be rototilling	I mustn't have rototilled
you mustn't have rototilled
he mustn't have rototilled
we mustn't have rototilled
you mustn't have rototilled
they mustn't have rototilled	I mustn't have been rototilling
you mustn't have been rototilling
he mustn't have been rototilling
we mustn't have been rototilling
you mustn't have been rototilling
they mustn't have been rototilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I rototill?
must you rototill?
must he rototill?
must we rototill?
must you rototill?
must they rototill? 	must I be rototilling?
must you be rototilling?
must he be rototilling?
must we be rototilling?
must you be rototilling?
must they be rototilling? 	must I have rototilled?
must you have rototilled?
must he have rototilled?
must we have rototilled?
must you have rototilled?
must they have rototilled? 	must I have been rototilling?
must you have been rototilling?
must he have been rototilling?
must we have been rototilling?
must you have been rototilling?
must they have been rototilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I rototill?
mustn't you rototill?
mustn't he rototill?
mustn't we rototill?
mustn't you rototill?
mustn't they rototill? 	mustn't I be rototilling?
mustn't you be rototilling?
mustn't he be rototilling?
mustn't we be rototilling?
mustn't you be rototilling?
mustn't they be rototilling? 	mustn't I have rototilled?
mustn't you have rototilled?
mustn't he have rototilled?
mustn't we have rototilled?
mustn't you have rototilled?
mustn't they have rototilled? 	mustn't I have been rototilling?
mustn't you have been rototilling?
mustn't he have been rototilling?
mustn't we have been rototilling?
mustn't you have been rototilling?
mustn't they have been rototilling?