could lessen
Verbo regolare: lessen - lessened- lessened

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could lessen
you could lessen
she could lessen
we could lessen
you could lessen
they could lessen 	I could be lessening
you could be lessening
she could be lessening
we could be lessening
you could be lessening
they could be lessening	I could have lessened
you could have lessened
she could have lessened
we could have lessened
you could have lessened
they could have lessened	I could have been lessening
you could have been lessening
she could have been lessening
we could have been lessening
you could have been lessening
they could have been lessening	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't lessen
you couldn't lessen
she couldn't lessen
we couldn't lessen
you couldn't lessen
they couldn't lessen 	I couldn't be lessening
you couldn't be lessening
she couldn't be lessening
we couldn't be lessening
you couldn't be lessening
they couldn't be lessening	I couldn't have lessened
you couldn't have lessened
she couldn't have lessened
we couldn't have lessened
you couldn't have lessened
they couldn't have lessened	I couldn't have been lessening
you couldn't have been lessening
she couldn't have been lessening
we couldn't have been lessening
you couldn't have been lessening
they couldn't have been lessening	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I lessen?
could you lessen?
could she lessen?
could we lessen?
could you lessen?
could they lessen? 	could I be lessening?
could you be lessening?
could she be lessening?
could we be lessening?
could you be lessening?
could they be lessening? 	could I have lessened?
could you have lessened?
could she have lessened?
could we have lessened?
could you have lessened?
could they have lessened? 	could I have been lessening?
could you have been lessening?
could she have been lessening?
could we have been lessening?
could you have been lessening?
could they have been lessening? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I lessen?
couldn't you lessen?
couldn't she lessen?
couldn't we lessen?
couldn't you lessen?
couldn't they lessen? 	couldn't I be lessening?
couldn't you be lessening?
couldn't she be lessening?
couldn't we be lessening?
couldn't you be lessening?
couldn't they be lessening? 	couldn't I have lessened?
couldn't you have lessened?
couldn't she have lessened?
couldn't we have lessened?
couldn't you have lessened?
couldn't they have lessened? 	couldn't I have been lessening?
couldn't you have been lessening?
couldn't she have been lessening?
couldn't we have been lessening?
couldn't you have been lessening?
couldn't they have been lessening?