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