Conjugação do verbo inglês
COULD NULL

Verbo regular: null - nulled - nulled

Afirmação

Forma simple	Forma com V-ing
I could null you could null he could null we could null you could null they could null	I could be nulling you could be nulling he could be nulling we could be nulling you could be nulling they could be nulling
Perfeito	Perfeito com V-ing
I could have nulled you could have nulled he could have nulled we could have nulled you could have nulled they could have nulled	I could have been nulling you could have been nulling he could have been nulling we could have been nulling you could have been nulling they could have been nulling

Negação

Forma simple	Forma com V-ing
I couldn't null you couldn't null he couldn't null we couldn't null you couldn't null they couldn't null	I couldn't be nulling you couldn't be nulling he couldn't be nulling we couldn't be nulling you couldn't be nulling they couldn't be nulling
Perfeito	Perfeito com V-ing
I couldn't have nulled you couldn't have nulled he couldn't have nulled we couldn't have nulled you couldn't have nulled they couldn't have nulled	I couldn't have been nulling you couldn't have been nulling he couldn't have been nulling we couldn't have been nulling you couldn't have been nulling they couldn't have been nulling

Forma interrogativa

Forma simple	Forma com V-ing
could I null? could you null? could he null? could we null? could you null? could they null?	could I be nulling? could you be nulling? could he be nulling? could we be nulling? could you be nulling? could they be nulling?
Perfeito	Perfeito com V-ing
could I have nulled? could you have nulled? could he have nulled? could we have nulled? could you have nulled? could they have nulled?	could I have been nulling? could you have been nulling? could he have been nulling? could we have been nulling? could you have been nulling? could they have been nulling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I null? couldn't you null? couldn't he null? couldn't we null? couldn't you null? couldn't they null?	couldn't I be nulling? couldn't you be nulling? couldn't he be nulling? couldn't we be nulling? couldn't you be nulling? couldn't they be nulling?
Perfeito	Perfeito com V-ing
couldn't I have nulled? couldn't you have nulled? couldn't he have nulled? couldn't we have nulled? couldn't you have nulled? couldn't they have nulled?	couldn't I have been nulling? couldn't you have been nulling? couldn't he have been nulling? couldn't we have been nulling? couldn't you have been nulling? couldn't they have been nulling?