I could blacken you could blacken he could blacken we could blacken you could blacken they could blacken
Forma con V-ing
I could be blackening you could be blackening he could be blackening we could be blackening you could be blackening they could be blackening
Perfetto
I could have blackened you could have blackened he could have blackened we could have blackened you could have blackened they could have blackened
Perfetto con V-ing
I could have been blackening you could have been blackening he could have been blackening we could have been blackening you could have been blackening they could have been blackening
Negazione
Forma semplice
I couldn't blacken you couldn't blacken he couldn't blacken we couldn't blacken you couldn't blacken they couldn't blacken
Forma con V-ing
I couldn't be blackening you couldn't be blackening he couldn't be blackening we couldn't be blackening you couldn't be blackening they couldn't be blackening
Perfetto
I couldn't have blackened you couldn't have blackened he couldn't have blackened we couldn't have blackened you couldn't have blackened they couldn't have blackened
Perfetto con V-ing
I couldn't have been blackening you couldn't have been blackening he couldn't have been blackening we couldn't have been blackening you couldn't have been blackening they couldn't have been blackening
Forma interrogativa
Forma semplice
could I blacken? could you blacken? could he blacken? could we blacken? could you blacken? could they blacken?
Forma con V-ing
could I be blackening? could you be blackening? could he be blackening? could we be blackening? could you be blackening? could they be blackening?
Perfetto
could I have blackened? could you have blackened? could he have blackened? could we have blackened? could you have blackened? could they have blackened?
Perfetto con V-ing
could I have been blackening? could you have been blackening? could he have been blackening? could we have been blackening? could you have been blackening? could they have been blackening?
Forma interro-negativa
Forma semplice
couldn't I blacken? couldn't you blacken? couldn't he blacken? couldn't we blacken? couldn't you blacken? couldn't they blacken?
Forma con V-ing
couldn't I be blackening? couldn't you be blackening? couldn't he be blackening? couldn't we be blackening? couldn't you be blackening? couldn't they be blackening?
Perfetto
couldn't I have blackened? couldn't you have blackened? couldn't he have blackened? couldn't we have blackened? couldn't you have blackened? couldn't they have blackened?
Perfetto con V-ing
couldn't I have been blackening? couldn't you have been blackening? couldn't he have been blackening? couldn't we have been blackening? couldn't you have been blackening? couldn't they have been blackening?