I could clutter you could clutter he could clutter we could clutter you could clutter they could clutter
Forma com V-ing
I could be cluttering you could be cluttering he could be cluttering we could be cluttering you could be cluttering they could be cluttering
Perfeito
I could have cluttered you could have cluttered he could have cluttered we could have cluttered you could have cluttered they could have cluttered
Perfeito com V-ing
I could have been cluttering you could have been cluttering he could have been cluttering we could have been cluttering you could have been cluttering they could have been cluttering
Negação
Forma simple
I couldn't clutter you couldn't clutter he couldn't clutter we couldn't clutter you couldn't clutter they couldn't clutter
Forma com V-ing
I couldn't be cluttering you couldn't be cluttering he couldn't be cluttering we couldn't be cluttering you couldn't be cluttering they couldn't be cluttering
Perfeito
I couldn't have cluttered you couldn't have cluttered he couldn't have cluttered we couldn't have cluttered you couldn't have cluttered they couldn't have cluttered
Perfeito com V-ing
I couldn't have been cluttering you couldn't have been cluttering he couldn't have been cluttering we couldn't have been cluttering you couldn't have been cluttering they couldn't have been cluttering
Forma interrogativa
Forma simple
could I clutter? could you clutter? could he clutter? could we clutter? could you clutter? could they clutter?
Forma com V-ing
could I be cluttering? could you be cluttering? could he be cluttering? could we be cluttering? could you be cluttering? could they be cluttering?
Perfeito
could I have cluttered? could you have cluttered? could he have cluttered? could we have cluttered? could you have cluttered? could they have cluttered?
Perfeito com V-ing
could I have been cluttering? could you have been cluttering? could he have been cluttering? could we have been cluttering? could you have been cluttering? could they have been cluttering?
Forma interro-Negação
Forma simple
couldn't I clutter? couldn't you clutter? couldn't he clutter? couldn't we clutter? couldn't you clutter? couldn't they clutter?
Forma com V-ing
couldn't I be cluttering? couldn't you be cluttering? couldn't he be cluttering? couldn't we be cluttering? couldn't you be cluttering? couldn't they be cluttering?
Perfeito
couldn't I have cluttered? couldn't you have cluttered? couldn't he have cluttered? couldn't we have cluttered? couldn't you have cluttered? couldn't they have cluttered?
Perfeito com V-ing
couldn't I have been cluttering? couldn't you have been cluttering? couldn't he have been cluttering? couldn't we have been cluttering? couldn't you have been cluttering? couldn't they have been cluttering?