Conjugação do verbo inglês
COULD OVERSTUDY

Verbo regular: overstudy - overstudied - overstudied

Afirmação

Forma simple	Forma com V-ing
I could overstudy you could overstudy she could overstudy we could overstudy you could overstudy they could overstudy	I could be overstudying you could be overstudying she could be overstudying we could be overstudying you could be overstudying they could be overstudying
Perfeito	Perfeito com V-ing
I could have overstudied you could have overstudied she could have overstudied we could have overstudied you could have overstudied they could have overstudied	I could have been overstudying you could have been overstudying she could have been overstudying we could have been overstudying you could have been overstudying they could have been overstudying

Negação

Forma simple	Forma com V-ing
I couldn't overstudy you couldn't overstudy she couldn't overstudy we couldn't overstudy you couldn't overstudy they couldn't overstudy	I couldn't be overstudying you couldn't be overstudying she couldn't be overstudying we couldn't be overstudying you couldn't be overstudying they couldn't be overstudying
Perfeito	Perfeito com V-ing
I couldn't have overstudied you couldn't have overstudied she couldn't have overstudied we couldn't have overstudied you couldn't have overstudied they couldn't have overstudied	I couldn't have been overstudying you couldn't have been overstudying she couldn't have been overstudying we couldn't have been overstudying you couldn't have been overstudying they couldn't have been overstudying

Forma interrogativa

Forma simple	Forma com V-ing
could I overstudy? could you overstudy? could she overstudy? could we overstudy? could you overstudy? could they overstudy?	could I be overstudying? could you be overstudying? could she be overstudying? could we be overstudying? could you be overstudying? could they be overstudying?
Perfeito	Perfeito com V-ing
could I have overstudied? could you have overstudied? could she have overstudied? could we have overstudied? could you have overstudied? could they have overstudied?	could I have been overstudying? could you have been overstudying? could she have been overstudying? could we have been overstudying? could you have been overstudying? could they have been overstudying?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I overstudy? couldn't you overstudy? couldn't she overstudy? couldn't we overstudy? couldn't you overstudy? couldn't they overstudy?	couldn't I be overstudying? couldn't you be overstudying? couldn't she be overstudying? couldn't we be overstudying? couldn't you be overstudying? couldn't they be overstudying?
Perfeito	Perfeito com V-ing
couldn't I have overstudied? couldn't you have overstudied? couldn't she have overstudied? couldn't we have overstudied? couldn't you have overstudied? couldn't they have overstudied?	couldn't I have been overstudying? couldn't you have been overstudying? couldn't she have been overstudying? couldn't we have been overstudying? couldn't you have been overstudying? couldn't they have been overstudying?