English verb conjugation
CAN LITTER

Regular verb: litter - littered - littered

Affirmation

Simple form	V-ing form
I can litter you can litter he can litter we can litter you can litter they can litter	I can be littering you can be littering he can be littering we can be littering you can be littering they can be littering
Perfect	V-ing perfect
I can have littered you can have littered he can have littered we can have littered you can have littered they can have littered	I can have been littering you can have been littering he can have been littering we can have been littering you can have been littering they can have been littering

Negation

Simple form	V-ing form
I can't litter you can't litter he can't litter we can't litter you can't litter they can't litter	I can't be littering you can't be littering he can't be littering we can't be littering you can't be littering they can't be littering
Perfect	V-ing perfect
I can't have littered you can't have littered he can't have littered we can't have littered you can't have littered they can't have littered	I can't have been littering you can't have been littering he can't have been littering we can't have been littering you can't have been littering they can't have been littering

Interrogative form

Simple form	V-ing form
can I litter? can you litter? can he litter? can we litter? can you litter? can they litter?	can I be littering? can you be littering? can he be littering? can we be littering? can you be littering? can they be littering?
Perfect	V-ing perfect
can I have littered? can you have littered? can he have littered? can we have littered? can you have littered? can they have littered?	can I have been littering? can you have been littering? can he have been littering? can we have been littering? can you have been littering? can they have been littering?

Interro-negative form

Simple form	V-ing form
can't I litter? can't you litter? can't he litter? can't we litter? can't you litter? can't they litter?	can't I be littering? can't you be littering? can't he be littering? can't we be littering? can't you be littering? can't they be littering?
Perfect	V-ing perfect
can't I have littered? can't you have littered? can't he have littered? can't we have littered? can't you have littered? can't they have littered?	can't I have been littering? can't you have been littering? can't he have been littering? can't we have been littering? can't you have been littering? can't they have been littering?