Conjugación del verbo inglés
COULD OIL

Verbo regular: oil - oiled - oiled

Afirmación

Forma simple	Forma con V-ing
I could oil you could oil she could oil we could oil you could oil they could oil	I could be oiling you could be oiling she could be oiling we could be oiling you could be oiling they could be oiling
Perfecto	Perfecto con V-ing
I could have oiled you could have oiled she could have oiled we could have oiled you could have oiled they could have oiled	I could have been oiling you could have been oiling she could have been oiling we could have been oiling you could have been oiling they could have been oiling

Negación

Forma simple	Forma con V-ing
I couldn't oil you couldn't oil she couldn't oil we couldn't oil you couldn't oil they couldn't oil	I couldn't be oiling you couldn't be oiling she couldn't be oiling we couldn't be oiling you couldn't be oiling they couldn't be oiling
Perfecto	Perfecto con V-ing
I couldn't have oiled you couldn't have oiled she couldn't have oiled we couldn't have oiled you couldn't have oiled they couldn't have oiled	I couldn't have been oiling you couldn't have been oiling she couldn't have been oiling we couldn't have been oiling you couldn't have been oiling they couldn't have been oiling

Forma interrogativa

Forma simple	Forma con V-ing
could I oil? could you oil? could she oil? could we oil? could you oil? could they oil?	could I be oiling? could you be oiling? could she be oiling? could we be oiling? could you be oiling? could they be oiling?
Perfecto	Perfecto con V-ing
could I have oiled? could you have oiled? could she have oiled? could we have oiled? could you have oiled? could they have oiled?	could I have been oiling? could you have been oiling? could she have been oiling? could we have been oiling? could you have been oiling? could they have been oiling?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I oil? couldn't you oil? couldn't she oil? couldn't we oil? couldn't you oil? couldn't they oil?	couldn't I be oiling? couldn't you be oiling? couldn't she be oiling? couldn't we be oiling? couldn't you be oiling? couldn't they be oiling?
Perfecto	Perfecto con V-ing
couldn't I have oiled? couldn't you have oiled? couldn't she have oiled? couldn't we have oiled? couldn't you have oiled? couldn't they have oiled?	couldn't I have been oiling? couldn't you have been oiling? couldn't she have been oiling? couldn't we have been oiling? couldn't you have been oiling? couldn't they have been oiling?