should lessen
Verbo regular: lessen - lessened- lessened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should lessen
you should lessen
he should lessen
we should lessen
you should lessen
they should lessen 	I should be lessening
you should be lessening
he should be lessening
we should be lessening
you should be lessening
they should be lessening	I should have lessened
you should have lessened
he should have lessened
we should have lessened
you should have lessened
they should have lessened	I should have been lessening
you should have been lessening
he should have been lessening
we should have been lessening
you should have been lessening
they should have been lessening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not lessen
you should not lessen
he should not lessen
we should not lessen
you should not lessen
they should not lessen 	I should not be lessening
you should not be lessening
he should not be lessening
we should not be lessening
you should not be lessening
they should not be lessening	I should not have lessened
you should not have lessened
he should not have lessened
we should not have lessened
you should not have lessened
they should not have lessened	I should not have been lessening
you should not have been lessening
he should not have been lessening
we should not have been lessening
you should not have been lessening
they should not have been lessening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I lessen?
should you lessen?
should he lessen?
should we lessen?
should you lessen?
should they lessen? 	should I be lessening?
should you be lessening?
should he be lessening?
should we be lessening?
should you be lessening?
should they be lessening? 	should I have lessened?
should you have lessened?
should he have lessened?
should we have lessened?
should you have lessened?
should they have lessened? 	should I have been lessening?
should you have been lessening?
should he have been lessening?
should we have been lessening?
should you have been lessening?
should they have been lessening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not lessen?
should you not lessen?
should he not lessen?
should we not lessen?
should you not lessen?
should they not lessen? 	should I not be lessening?
should you not be lessening?
should he not be lessening?
should we not be lessening?
should you not be lessening?
should they not be lessening? 	should I not have lessened?
should you not have lessened?
should he not have lessened?
should we not have lessened?
should you not have lessened?
should they not have lessened? 	should I not have been lessening?
should you not have been lessening?
should he not have been lessening?
should we not have been lessening?
should you not have been lessening?
should they not have been lessening?