I don't litter you don't litter she doesn't litter we don't litter you don't litter they don't litter
Present continuous
I'm not littering you aren't littering she isn't littering we aren't littering you aren't littering they aren't littering
Preterite
I didn't litter you didn't litter she didn't litter we didn't litter you didn't litter they didn't litter
Preterite continuous
I wasn't littering you weren't littering she wasn't littering we weren't littering you weren't littering they weren't littering
Present perfect
I haven't littered you haven't littered she hasn't littered we haven't littered you haven't littered they haven't littered
Present perfect continuous
I haven't been littering you haven't been littering she hasn't been littering we haven't been littering you haven't been littering they haven't been littering
Pluperfect
I hadn't littered you hadn't littered she hadn't littered we hadn't littered you hadn't littered they hadn't littered
Pluperfect continuous
I hadn't been littering you hadn't been littering she hadn't been littering we hadn't been littering you hadn't been littering they hadn't been littering
Future
I won't litter you won't litter she won't litter we won't litter you won't litter they won't litter
Future continuous
I won't be littering you won't be littering she won't be littering we won't be littering you won't be littering they won't be littering
Future perfect
I won't have littered you won't have littered she won't have littered we won't have littered you won't have littered they won't have littered
Future perfect continuous
I won't have been littering you won't have been littering she won't have been littering we won't have been littering you won't have been littering they won't have been littering
Conditional
Present
I wouldn't litter you wouldn't litter she wouldn't litter we wouldn't litter you wouldn't litter they wouldn't litter
Present continuous
I wouldn't be littering you wouldn't be littering she wouldn't be littering we wouldn't be littering you wouldn't be littering they wouldn't be littering
Past
I wouldn't have littered you wouldn't have littered she wouldn't have littered we wouldn't have littered you wouldn't have littered they wouldn't have littered
Past continuous
I wouldn't have been littering you wouldn't have been littering she wouldn't have been littering we wouldn't have been littering you wouldn't have been littering they wouldn't have been littering