Conjugação do verbo inglês
COULD SLIP

Verbo regular: slip - slipped - slipped

Afirmação

Forma simple	Forma com V-ing
I could slip you could slip he could slip we could slip you could slip they could slip	I could be slipping you could be slipping he could be slipping we could be slipping you could be slipping they could be slipping
Perfeito	Perfeito com V-ing
I could have slipped you could have slipped he could have slipped we could have slipped you could have slipped they could have slipped	I could have been slipping you could have been slipping he could have been slipping we could have been slipping you could have been slipping they could have been slipping

Negação

Forma simple	Forma com V-ing
I could not slip you could not slip he could not slip we could not slip you could not slip they could not slip	I could not be slipping you could not be slipping he could not be slipping we could not be slipping you could not be slipping they could not be slipping
Perfeito	Perfeito com V-ing
I could not have slipped you could not have slipped he could not have slipped we could not have slipped you could not have slipped they could not have slipped	I could not have been slipping you could not have been slipping he could not have been slipping we could not have been slipping you could not have been slipping they could not have been slipping

Forma interrogativa

Forma simple	Forma com V-ing
could I slip? could you slip? could he slip? could we slip? could you slip? could they slip?	could I be slipping? could you be slipping? could he be slipping? could we be slipping? could you be slipping? could they be slipping?
Perfeito	Perfeito com V-ing
could I have slipped? could you have slipped? could he have slipped? could we have slipped? could you have slipped? could they have slipped?	could I have been slipping? could you have been slipping? could he have been slipping? could we have been slipping? could you have been slipping? could they have been slipping?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not slip? could you not slip? could he not slip? could we not slip? could you not slip? could they not slip?	could I not be slipping? could you not be slipping? could he not be slipping? could we not be slipping? could you not be slipping? could they not be slipping?
Perfeito	Perfeito com V-ing
could I not have slipped? could you not have slipped? could he not have slipped? could we not have slipped? could you not have slipped? could they not have slipped?	could I not have been slipping? could you not have been slipping? could he not have been slipping? could we not have been slipping? could you not have been slipping? could they not have been slipping?