Conjugação do verbo inglês
COULD OIL

Verbo regular: oil - oiled - oiled

Afirmação

Forma simple	Forma com V-ing
I could oil you could oil he could oil we could oil you could oil they could oil	I could be oiling you could be oiling he could be oiling we could be oiling you could be oiling they could be oiling
Perfeito	Perfeito com V-ing
I could have oiled you could have oiled he 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 he could have been oiling we could have been oiling you could have been oiling they could have been oiling

Negação

Forma simple	Forma com V-ing
I couldn't oil you couldn't oil he 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 he couldn't be oiling we couldn't be oiling you couldn't be oiling they couldn't be oiling
Perfeito	Perfeito com V-ing
I couldn't have oiled you couldn't have oiled he 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 he 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 com V-ing
could I oil? could you oil? could he oil? could we oil? could you oil? could they oil?	could I be oiling? could you be oiling? could he be oiling? could we be oiling? could you be oiling? could they be oiling?
Perfeito	Perfeito com V-ing
could I have oiled? could you have oiled? could he 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 he have been oiling? could we have been oiling? could you have been oiling? could they have been oiling?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I oil? couldn't you oil? couldn't he 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 he be oiling? couldn't we be oiling? couldn't you be oiling? couldn't they be oiling?
Perfeito	Perfeito com V-ing
couldn't I have oiled? couldn't you have oiled? couldn't he 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 he have been oiling? couldn't we have been oiling? couldn't you have been oiling? couldn't they have been oiling?