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