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