Conjugação do verbo inglês
COULD REMAIN

Verbo regular: remain - remained - remained

Afirmação

Forma simple	Forma com V-ing
I could remain you could remain he could remain we could remain you could remain they could remain	I could be remaining you could be remaining he could be remaining we could be remaining you could be remaining they could be remaining
Perfeito	Perfeito com V-ing
I could have remained you could have remained he could have remained we could have remained you could have remained they could have remained	I could have been remaining you could have been remaining he could have been remaining we could have been remaining you could have been remaining they could have been remaining

Negação

Forma simple	Forma com V-ing
I couldn't remain you couldn't remain he couldn't remain we couldn't remain you couldn't remain they couldn't remain	I couldn't be remaining you couldn't be remaining he couldn't be remaining we couldn't be remaining you couldn't be remaining they couldn't be remaining
Perfeito	Perfeito com V-ing
I couldn't have remained you couldn't have remained he couldn't have remained we couldn't have remained you couldn't have remained they couldn't have remained	I couldn't have been remaining you couldn't have been remaining he couldn't have been remaining we couldn't have been remaining you couldn't have been remaining they couldn't have been remaining

Forma interrogativa

Forma simple	Forma com V-ing
could I remain? could you remain? could he remain? could we remain? could you remain? could they remain?	could I be remaining? could you be remaining? could he be remaining? could we be remaining? could you be remaining? could they be remaining?
Perfeito	Perfeito com V-ing
could I have remained? could you have remained? could he have remained? could we have remained? could you have remained? could they have remained?	could I have been remaining? could you have been remaining? could he have been remaining? could we have been remaining? could you have been remaining? could they have been remaining?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I remain? couldn't you remain? couldn't he remain? couldn't we remain? couldn't you remain? couldn't they remain?	couldn't I be remaining? couldn't you be remaining? couldn't he be remaining? couldn't we be remaining? couldn't you be remaining? couldn't they be remaining?
Perfeito	Perfeito com V-ing
couldn't I have remained? couldn't you have remained? couldn't he have remained? couldn't we have remained? couldn't you have remained? couldn't they have remained?	couldn't I have been remaining? couldn't you have been remaining? couldn't he have been remaining? couldn't we have been remaining? couldn't you have been remaining? couldn't they have been remaining?