don't I litter? don't you litter? doesn't he litter? don't we litter? don't you litter? don't they litter?
Presente continuo
am I not littering? aren't you littering? isn't he littering? aren't we littering? aren't you littering? aren't they littering?
Preterito
didn't I litter? didn't you litter? didn't he litter? didn't we litter? didn't you litter? didn't they litter?
Preterite continua
wasn't I littering? weren't you littering? wasn't he littering? weren't we littering? weren't you littering? weren't they littering?
Presente perfetto
haven't I littered? haven't you littered? hasn't he littered? haven't we littered? haven't you littered? haven't they littered?
Presente perfetto continuo
haven't I been littering? haven't you been littering? hasn't he been littering? haven't we been littering? haven't you been littering? haven't they been littering?
Piuccheperfetto
hadn't I littered? hadn't you littered? hadn't he littered? hadn't we littered? hadn't you littered? hadn't they littered?
Piuccheperfetto continuo
hadn't I been littering? hadn't you been littering? hadn't he been littering? hadn't we been littering? hadn't you been littering? hadn't they been littering?
Futuro semplice
won't I litter? won't you litter? won't he litter? won't we litter? won't you litter? won't they litter?
Futuro continuo
won't I be littering? won't you be littering? won't he be littering? won't we be littering? won't you be littering? won't they be littering?
Futuro anteriore
won't I have littered? won't you have littered? won't he have littered? won't we have littered? won't you have littered? won't they have littered?
Futuro anteriore contínuo
won't I have been littering? won't you have been littering? won't he have been littering? won't we have been littering? won't you have been littering? won't they have been littering?
Condizionale
Presente
wouldn't I litter? wouldn't you litter? wouldn't he litter? wouldn't we litter? wouldn't you litter? wouldn't they litter?
Presente continuo
wouldn't I be littering? wouldn't you be littering? wouldn't he be littering? wouldn't we be littering? wouldn't you be littering? wouldn't they be littering?
Passato
wouldn't I have littered? wouldn't you have littered? wouldn't he have littered? wouldn't we have littered? wouldn't you have littered? wouldn't they have littered?
Passato continuo
wouldn't I have been littering? wouldn't you have been littering? wouldn't he have been littering? wouldn't we have been littering? wouldn't you have been littering? wouldn't they have been littering?