I could place you could place she could place we could place you could place they could place
Forma com V-ing
I could be placing you could be placing she could be placing we could be placing you could be placing they could be placing
Perfeito
I could have placed you could have placed she could have placed we could have placed you could have placed they could have placed
Perfeito com V-ing
I could have been placing you could have been placing she could have been placing we could have been placing you could have been placing they could have been placing
Negação
Forma simple
I couldn't place you couldn't place she couldn't place we couldn't place you couldn't place they couldn't place
Forma com V-ing
I couldn't be placing you couldn't be placing she couldn't be placing we couldn't be placing you couldn't be placing they couldn't be placing
Perfeito
I couldn't have placed you couldn't have placed she couldn't have placed we couldn't have placed you couldn't have placed they couldn't have placed
Perfeito com V-ing
I couldn't have been placing you couldn't have been placing she couldn't have been placing we couldn't have been placing you couldn't have been placing they couldn't have been placing
Forma interrogativa
Forma simple
could I place? could you place? could she place? could we place? could you place? could they place?
Forma com V-ing
could I be placing? could you be placing? could she be placing? could we be placing? could you be placing? could they be placing?
Perfeito
could I have placed? could you have placed? could she have placed? could we have placed? could you have placed? could they have placed?
Perfeito com V-ing
could I have been placing? could you have been placing? could she have been placing? could we have been placing? could you have been placing? could they have been placing?
Forma interro-Negação
Forma simple
couldn't I place? couldn't you place? couldn't she place? couldn't we place? couldn't you place? couldn't they place?
Forma com V-ing
couldn't I be placing? couldn't you be placing? couldn't she be placing? couldn't we be placing? couldn't you be placing? couldn't they be placing?
Perfeito
couldn't I have placed? couldn't you have placed? couldn't she have placed? couldn't we have placed? couldn't you have placed? couldn't they have placed?
Perfeito com V-ing
couldn't I have been placing? couldn't you have been placing? couldn't she have been placing? couldn't we have been placing? couldn't you have been placing? couldn't they have been placing?