Conjugación del verbo inglés
COULD SADDEN

Verbo regular: sadden - saddened - saddened

Afirmación

Forma simple	Forma con V-ing
I could sadden you could sadden she could sadden we could sadden you could sadden they could sadden	I could be saddening you could be saddening she could be saddening we could be saddening you could be saddening they could be saddening
Perfecto	Perfecto con V-ing
I could have saddened you could have saddened she could have saddened we could have saddened you could have saddened they could have saddened	I could have been saddening you could have been saddening she could have been saddening we could have been saddening you could have been saddening they could have been saddening

Negación

Forma simple	Forma con V-ing
I couldn't sadden you couldn't sadden she couldn't sadden we couldn't sadden you couldn't sadden they couldn't sadden	I couldn't be saddening you couldn't be saddening she couldn't be saddening we couldn't be saddening you couldn't be saddening they couldn't be saddening
Perfecto	Perfecto con V-ing
I couldn't have saddened you couldn't have saddened she couldn't have saddened we couldn't have saddened you couldn't have saddened they couldn't have saddened	I couldn't have been saddening you couldn't have been saddening she couldn't have been saddening we couldn't have been saddening you couldn't have been saddening they couldn't have been saddening

Forma interrogativa

Forma simple	Forma con V-ing
could I sadden? could you sadden? could she sadden? could we sadden? could you sadden? could they sadden?	could I be saddening? could you be saddening? could she be saddening? could we be saddening? could you be saddening? could they be saddening?
Perfecto	Perfecto con V-ing
could I have saddened? could you have saddened? could she have saddened? could we have saddened? could you have saddened? could they have saddened?	could I have been saddening? could you have been saddening? could she have been saddening? could we have been saddening? could you have been saddening? could they have been saddening?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I sadden? couldn't you sadden? couldn't she sadden? couldn't we sadden? couldn't you sadden? couldn't they sadden?	couldn't I be saddening? couldn't you be saddening? couldn't she be saddening? couldn't we be saddening? couldn't you be saddening? couldn't they be saddening?
Perfecto	Perfecto con V-ing
couldn't I have saddened? couldn't you have saddened? couldn't she have saddened? couldn't we have saddened? couldn't you have saddened? couldn't they have saddened?	couldn't I have been saddening? couldn't you have been saddening? couldn't she have been saddening? couldn't we have been saddening? couldn't you have been saddening? couldn't they have been saddening?