Conjugação do verbo inglês
COULD RIBBON

Verbo regular: ribbon - ribboned - ribboned

Afirmação

Forma simple	Forma com V-ing
I could ribbon you could ribbon he could ribbon we could ribbon you could ribbon they could ribbon	I could be ribboning you could be ribboning he could be ribboning we could be ribboning you could be ribboning they could be ribboning
Perfeito	Perfeito com V-ing
I could have ribboned you could have ribboned he could have ribboned we could have ribboned you could have ribboned they could have ribboned	I could have been ribboning you could have been ribboning he could have been ribboning we could have been ribboning you could have been ribboning they could have been ribboning

Negação

Forma simple	Forma com V-ing
I couldn't ribbon you couldn't ribbon he couldn't ribbon we couldn't ribbon you couldn't ribbon they couldn't ribbon	I couldn't be ribboning you couldn't be ribboning he couldn't be ribboning we couldn't be ribboning you couldn't be ribboning they couldn't be ribboning
Perfeito	Perfeito com V-ing
I couldn't have ribboned you couldn't have ribboned he couldn't have ribboned we couldn't have ribboned you couldn't have ribboned they couldn't have ribboned	I couldn't have been ribboning you couldn't have been ribboning he couldn't have been ribboning we couldn't have been ribboning you couldn't have been ribboning they couldn't have been ribboning

Forma interrogativa

Forma simple	Forma com V-ing
could I ribbon? could you ribbon? could he ribbon? could we ribbon? could you ribbon? could they ribbon?	could I be ribboning? could you be ribboning? could he be ribboning? could we be ribboning? could you be ribboning? could they be ribboning?
Perfeito	Perfeito com V-ing
could I have ribboned? could you have ribboned? could he have ribboned? could we have ribboned? could you have ribboned? could they have ribboned?	could I have been ribboning? could you have been ribboning? could he have been ribboning? could we have been ribboning? could you have been ribboning? could they have been ribboning?

Forma interro-Negação

Forma simple	Forma com V-ing
couldn't I ribbon? couldn't you ribbon? couldn't he ribbon? couldn't we ribbon? couldn't you ribbon? couldn't they ribbon?	couldn't I be ribboning? couldn't you be ribboning? couldn't he be ribboning? couldn't we be ribboning? couldn't you be ribboning? couldn't they be ribboning?
Perfeito	Perfeito com V-ing
couldn't I have ribboned? couldn't you have ribboned? couldn't he have ribboned? couldn't we have ribboned? couldn't you have ribboned? couldn't they have ribboned?	couldn't I have been ribboning? couldn't you have been ribboning? couldn't he have been ribboning? couldn't we have been ribboning? couldn't you have been ribboning? couldn't they have been ribboning?