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