I could splutter you could splutter he could splutter we could splutter you could splutter they could splutter
Forma con 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
Perfecto
I could have spluttered you could have spluttered he could have spluttered we could have spluttered you could have spluttered they could have spluttered
Perfecto con 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
Negación
Forma simple
I couldn't splutter you couldn't splutter he couldn't splutter we couldn't splutter you couldn't splutter they couldn't splutter
Forma con V-ing
I couldn't be spluttering you couldn't be spluttering he couldn't be spluttering we couldn't be spluttering you couldn't be spluttering they couldn't be spluttering
Perfecto
I couldn't have spluttered you couldn't have spluttered he couldn't have spluttered we couldn't have spluttered you couldn't have spluttered they couldn't have spluttered
Perfecto con V-ing
I couldn't have been spluttering you couldn't have been spluttering he couldn't have been spluttering we couldn't have been spluttering you couldn't have been spluttering they couldn't have been spluttering
Forma interrogativa
Forma simple
could I splutter? could you splutter? could he splutter? could we splutter? could you splutter? could they splutter?
Forma con 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?
Perfecto
could I have spluttered? could you have spluttered? could he have spluttered? could we have spluttered? could you have spluttered? could they have spluttered?
Perfecto con 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?
Forma interro-negativa
Forma simple
couldn't I splutter? couldn't you splutter? couldn't he splutter? couldn't we splutter? couldn't you splutter? couldn't they splutter?
Forma con V-ing
couldn't I be spluttering? couldn't you be spluttering? couldn't he be spluttering? couldn't we be spluttering? couldn't you be spluttering? couldn't they be spluttering?
Perfecto
couldn't I have spluttered? couldn't you have spluttered? couldn't he have spluttered? couldn't we have spluttered? couldn't you have spluttered? couldn't they have spluttered?
Perfecto con V-ing
couldn't I have been spluttering? couldn't you have been spluttering? couldn't he have been spluttering? couldn't we have been spluttering? couldn't you have been spluttering? couldn't they have been spluttering?