I could matter you could matter she could matter we could matter you could matter they could matter
Forma con V-ing
I could be mattering you could be mattering she could be mattering we could be mattering you could be mattering they could be mattering
Perfecto
I could have mattered you could have mattered she could have mattered we could have mattered you could have mattered they could have mattered
Perfecto con V-ing
I could have been mattering you could have been mattering she could have been mattering we could have been mattering you could have been mattering they could have been mattering
Negación
Forma simple
I couldn't matter you couldn't matter she couldn't matter we couldn't matter you couldn't matter they couldn't matter
Forma con V-ing
I couldn't be mattering you couldn't be mattering she couldn't be mattering we couldn't be mattering you couldn't be mattering they couldn't be mattering
Perfecto
I couldn't have mattered you couldn't have mattered she couldn't have mattered we couldn't have mattered you couldn't have mattered they couldn't have mattered
Perfecto con V-ing
I couldn't have been mattering you couldn't have been mattering she couldn't have been mattering we couldn't have been mattering you couldn't have been mattering they couldn't have been mattering
Forma interrogativa
Forma simple
could I matter? could you matter? could she matter? could we matter? could you matter? could they matter?
Forma con V-ing
could I be mattering? could you be mattering? could she be mattering? could we be mattering? could you be mattering? could they be mattering?
Perfecto
could I have mattered? could you have mattered? could she have mattered? could we have mattered? could you have mattered? could they have mattered?
Perfecto con V-ing
could I have been mattering? could you have been mattering? could she have been mattering? could we have been mattering? could you have been mattering? could they have been mattering?
Forma interro-negativa
Forma simple
couldn't I matter? couldn't you matter? couldn't she matter? couldn't we matter? couldn't you matter? couldn't they matter?
Forma con V-ing
couldn't I be mattering? couldn't you be mattering? couldn't she be mattering? couldn't we be mattering? couldn't you be mattering? couldn't they be mattering?
Perfecto
couldn't I have mattered? couldn't you have mattered? couldn't she have mattered? couldn't we have mattered? couldn't you have mattered? couldn't they have mattered?
Perfecto con V-ing
couldn't I have been mattering? couldn't you have been mattering? couldn't she have been mattering? couldn't we have been mattering? couldn't you have been mattering? couldn't they have been mattering?