Conjugação do verbo inglês
COULD COAL

Verbo regular: coal - coaled - coaled

Afirmação

Forma simple	Forma com V-ing
I could coal you could coal she could coal we could coal you could coal they could coal	I could be coaling you could be coaling she could be coaling we could be coaling you could be coaling they could be coaling
Perfeito	Perfeito com V-ing
I could have coaled you could have coaled she could have coaled we could have coaled you could have coaled they could have coaled	I could have been coaling you could have been coaling she could have been coaling we could have been coaling you could have been coaling they could have been coaling

Negação

Forma simple	Forma com V-ing
I couldn't coal you couldn't coal she couldn't coal we couldn't coal you couldn't coal they couldn't coal	I couldn't be coaling you couldn't be coaling she couldn't be coaling we couldn't be coaling you couldn't be coaling they couldn't be coaling
Perfeito	Perfeito com V-ing
I couldn't have coaled you couldn't have coaled she couldn't have coaled we couldn't have coaled you couldn't have coaled they couldn't have coaled	I couldn't have been coaling you couldn't have been coaling she couldn't have been coaling we couldn't have been coaling you couldn't have been coaling they couldn't have been coaling

Forma interrogativa

Forma simple	Forma com V-ing
could I coal? could you coal? could she coal? could we coal? could you coal? could they coal?	could I be coaling? could you be coaling? could she be coaling? could we be coaling? could you be coaling? could they be coaling?
Perfeito	Perfeito com V-ing
could I have coaled? could you have coaled? could she have coaled? could we have coaled? could you have coaled? could they have coaled?	could I have been coaling? could you have been coaling? could she have been coaling? could we have been coaling? could you have been coaling? could they have been coaling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I coal? couldn't you coal? couldn't she coal? couldn't we coal? couldn't you coal? couldn't they coal?	couldn't I be coaling? couldn't you be coaling? couldn't she be coaling? couldn't we be coaling? couldn't you be coaling? couldn't they be coaling?
Perfeito	Perfeito com V-ing
couldn't I have coaled? couldn't you have coaled? couldn't she have coaled? couldn't we have coaled? couldn't you have coaled? couldn't they have coaled?	couldn't I have been coaling? couldn't you have been coaling? couldn't she have been coaling? couldn't we have been coaling? couldn't you have been coaling? couldn't they have been coaling?