I must steamroll you must steamroll he must steamroll we must steamroll you must steamroll they must steamroll
Forme en V-ing
I must be steamrolling you must be steamrolling he must be steamrolling we must be steamrolling you must be steamrolling they must be steamrolling
Perfect
I must have steamrolled you must have steamrolled he must have steamrolled we must have steamrolled you must have steamrolled they must have steamrolled
Perfect en V-ing
I must have been steamrolling you must have been steamrolling he must have been steamrolling we must have been steamrolling you must have been steamrolling they must have been steamrolling
Négation
Forme simple
I mustn't steamroll you mustn't steamroll he mustn't steamroll we mustn't steamroll you mustn't steamroll they mustn't steamroll
Forme en V-ing
I mustn't be steamrolling you mustn't be steamrolling he mustn't be steamrolling we mustn't be steamrolling you mustn't be steamrolling they mustn't be steamrolling
Perfect
I mustn't have steamrolled you mustn't have steamrolled he mustn't have steamrolled we mustn't have steamrolled you mustn't have steamrolled they mustn't have steamrolled
Perfect en V-ing
I mustn't have been steamrolling you mustn't have been steamrolling he mustn't have been steamrolling we mustn't have been steamrolling you mustn't have been steamrolling they mustn't have been steamrolling
Forme interrogative
Forme simple
must I steamroll? must you steamroll? must he steamroll? must we steamroll? must you steamroll? must they steamroll?
Forme en V-ing
must I be steamrolling? must you be steamrolling? must he be steamrolling? must we be steamrolling? must you be steamrolling? must they be steamrolling?
Perfect
must I have steamrolled? must you have steamrolled? must he have steamrolled? must we have steamrolled? must you have steamrolled? must they have steamrolled?
Perfect en V-ing
must I have been steamrolling? must you have been steamrolling? must he have been steamrolling? must we have been steamrolling? must you have been steamrolling? must they have been steamrolling?
Forme interro-négative
Forme simple
mustn't I steamroll? mustn't you steamroll? mustn't he steamroll? mustn't we steamroll? mustn't you steamroll? mustn't they steamroll?
Forme en V-ing
mustn't I be steamrolling? mustn't you be steamrolling? mustn't he be steamrolling? mustn't we be steamrolling? mustn't you be steamrolling? mustn't they be steamrolling?
Perfect
mustn't I have steamrolled? mustn't you have steamrolled? mustn't he have steamrolled? mustn't we have steamrolled? mustn't you have steamrolled? mustn't they have steamrolled?
Perfect en V-ing
mustn't I have been steamrolling? mustn't you have been steamrolling? mustn't he have been steamrolling? mustn't we have been steamrolling? mustn't you have been steamrolling? mustn't they have been steamrolling?