Conjugação do verbo inglês
COULD OVERSTAY

Verbo regular: overstay - overstayed - overstayed

Afirmação

Forma simple	Forma com V-ing
I could overstay you could overstay he could overstay we could overstay you could overstay they could overstay	I could be overstaying you could be overstaying he could be overstaying we could be overstaying you could be overstaying they could be overstaying
Perfeito	Perfeito com V-ing
I could have overstayed you could have overstayed he could have overstayed we could have overstayed you could have overstayed they could have overstayed	I could have been overstaying you could have been overstaying he could have been overstaying we could have been overstaying you could have been overstaying they could have been overstaying

Negação

Forma simple	Forma com V-ing
I couldn't overstay you couldn't overstay he couldn't overstay we couldn't overstay you couldn't overstay they couldn't overstay	I couldn't be overstaying you couldn't be overstaying he couldn't be overstaying we couldn't be overstaying you couldn't be overstaying they couldn't be overstaying
Perfeito	Perfeito com V-ing
I couldn't have overstayed you couldn't have overstayed he couldn't have overstayed we couldn't have overstayed you couldn't have overstayed they couldn't have overstayed	I couldn't have been overstaying you couldn't have been overstaying he couldn't have been overstaying we couldn't have been overstaying you couldn't have been overstaying they couldn't have been overstaying

Forma interrogativa

Forma simple	Forma com V-ing
could I overstay? could you overstay? could he overstay? could we overstay? could you overstay? could they overstay?	could I be overstaying? could you be overstaying? could he be overstaying? could we be overstaying? could you be overstaying? could they be overstaying?
Perfeito	Perfeito com V-ing
could I have overstayed? could you have overstayed? could he have overstayed? could we have overstayed? could you have overstayed? could they have overstayed?	could I have been overstaying? could you have been overstaying? could he have been overstaying? could we have been overstaying? could you have been overstaying? could they have been overstaying?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I overstay? couldn't you overstay? couldn't he overstay? couldn't we overstay? couldn't you overstay? couldn't they overstay?	couldn't I be overstaying? couldn't you be overstaying? couldn't he be overstaying? couldn't we be overstaying? couldn't you be overstaying? couldn't they be overstaying?
Perfeito	Perfeito com V-ing
couldn't I have overstayed? couldn't you have overstayed? couldn't he have overstayed? couldn't we have overstayed? couldn't you have overstayed? couldn't they have overstayed?	couldn't I have been overstaying? couldn't you have been overstaying? couldn't he have been overstaying? couldn't we have been overstaying? couldn't you have been overstaying? couldn't they have been overstaying?