I'll be littering you'll be littering she'll be littering we'll be littering you'll be littering they'll be littering
Futur antérieur
I'll have littered you'll have littered she'll have littered we'll have littered you'll have littered they'll have littered
Futur antérieur continu
I'll have been littering you'll have been littering she'll have been littering we'll have been littering you'll have been littering they'll have been littering
I'd be littering you'd be littering she'd be littering we'd be littering you'd be littering they'd be littering
Passé
I'd have littered you'd have littered she'd have littered we'd have littered you'd have littered they'd have littered
Passé continu
I'd have been littering you'd have been littering she'd have been littering we'd have been littering you'd have been littering they'd have been littering