should litter
Verbo regular: litter - littered- littered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should litter
you should litter
he should litter
we should litter
you should litter
they should litter 	I should be littering
you should be littering
he should be littering
we should be littering
you should be littering
they should be littering	I should have littered
you should have littered
he 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
he should have been littering
we should have been littering
you should have been littering
they should have been littering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not litter
you should not litter
he 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
he 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
he 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
he should not have been littering
we should not have been littering
you should not have been littering
they should not have been littering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I litter?
should you litter?
should he litter?
should we litter?
should you litter?
should they litter? 	should I be littering?
should you be littering?
should he be littering?
should we be littering?
should you be littering?
should they be littering? 	should I have littered?
should you have littered?
should he 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 he have been littering?
should we have been littering?
should you have been littering?
should they have been littering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not litter?
should you not litter?
should he 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 he 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 he 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 he not have been littering?
should we not have been littering?
should you not have been littering?
should they not have been littering?