should litter
Verbe régulier : litter - littered- littered
Traduction française : laisser des détritus dans 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should litter
you should litter
she should litter
we should litter
you should litter
they should litter 	I should be littering
you should be littering
she should be littering
we should be littering
you should be littering
they should be littering	I should have littered
you should have littered
she should have littered
we should have littered
you should have littered
they should have littered	I should have been littering
you should have been littering
she should have been littering
we should have been littering
you should have been littering
they should have been littering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not litter
you should not litter
she should not litter
we should not litter
you should not litter
they should not litter 	I should not be littering
you should not be littering
she should not be littering
we should not be littering
you should not be littering
they should not be littering	I should not have littered
you should not have littered
she should not have littered
we should not have littered
you should not have littered
they should not have littered	I should not have been littering
you should not have been littering
she should not have been littering
we should not have been littering
you should not have been littering
they should not have been littering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I litter?
should you litter?
should she litter?
should we litter?
should you litter?
should they litter? 	should I be littering?
should you be littering?
should she be littering?
should we be littering?
should you be littering?
should they be littering? 	should I have littered?
should you have littered?
should she have littered?
should we have littered?
should you have littered?
should they have littered? 	should I have been littering?
should you have been littering?
should she have been littering?
should we have been littering?
should you have been littering?
should they have been littering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not litter?
should you not litter?
should she not litter?
should we not litter?
should you not litter?
should they not litter? 	should I not be littering?
should you not be littering?
should she not be littering?
should we not be littering?
should you not be littering?
should they not be littering? 	should I not have littered?
should you not have littered?
should she not have littered?
should we not have littered?
should you not have littered?
should they not have littered? 	should I not have been littering?
should you not have been littering?
should she not have been littering?
should we not have been littering?
should you not have been littering?
should they not have been littering?