I must splutter you must splutter she must splutter we must splutter you must splutter they must splutter
Forme en V-ing
I must be spluttering you must be spluttering she must be spluttering we must be spluttering you must be spluttering they must be spluttering
Perfect
I must have spluttered you must have spluttered she 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 she must have been spluttering we must have been spluttering you must have been spluttering they must have been spluttering
Négation
Forme simple
I must not splutter you must not splutter she must not splutter we must not splutter you must not splutter they must not splutter
Forme en V-ing
I must not be spluttering you must not be spluttering she must not be spluttering we must not be spluttering you must not be spluttering they must not be spluttering
Perfect
I must not have spluttered you must not have spluttered she must not have spluttered we must not have spluttered you must not have spluttered they must not have spluttered
Perfect en V-ing
I must not have been spluttering you must not have been spluttering she must not have been spluttering we must not have been spluttering you must not have been spluttering they must not have been spluttering
Forme interrogative
Forme simple
must I splutter? must you splutter? must she splutter? must we splutter? must you splutter? must they splutter?
Forme en V-ing
must I be spluttering? must you be spluttering? must she be spluttering? must we be spluttering? must you be spluttering? must they be spluttering?
Perfect
must I have spluttered? must you have spluttered? must she 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 she have been spluttering? must we have been spluttering? must you have been spluttering? must they have been spluttering?
Forme interro-négative
Forme simple
must I not splutter? must you not splutter? must she not splutter? must we not splutter? must you not splutter? must they not splutter?
Forme en V-ing
must I not be spluttering? must you not be spluttering? must she not be spluttering? must we not be spluttering? must you not be spluttering? must they not be spluttering?
Perfect
must I not have spluttered? must you not have spluttered? must she not have spluttered? must we not have spluttered? must you not have spluttered? must they not have spluttered?
Perfect en V-ing
must I not have been spluttering? must you not have been spluttering? must she not have been spluttering? must we not have been spluttering? must you not have been spluttering? must they not have been spluttering?