I could speak you could speak he could speak we could speak you could speak they could speak
Forma com V-ing
I could be speaking you could be speaking he could be speaking we could be speaking you could be speaking they could be speaking
Perfeito
I could have spoken, spoke you could have spoken, spoke he could have spoken, spoke we could have spoken, spoke you could have spoken, spoke they could have spoken, spoke
Perfeito com V-ing
I could have been speaking you could have been speaking he could have been speaking we could have been speaking you could have been speaking they could have been speaking
Negação
Forma simple
I couldn't speak you couldn't speak he couldn't speak we couldn't speak you couldn't speak they couldn't speak
Forma com V-ing
I couldn't be speaking you couldn't be speaking he couldn't be speaking we couldn't be speaking you couldn't be speaking they couldn't be speaking
Perfeito
I couldn't have spoken, spoke you couldn't have spoken, spoke he couldn't have spoken, spoke we couldn't have spoken, spoke you couldn't have spoken, spoke they couldn't have spoken, spoke
Perfeito com V-ing
I couldn't have been speaking you couldn't have been speaking he couldn't have been speaking we couldn't have been speaking you couldn't have been speaking they couldn't have been speaking
Forma interrogativa
Forma simple
could I speak? could you speak? could he speak? could we speak? could you speak? could they speak?
Forma com V-ing
could I be speaking? could you be speaking? could he be speaking? could we be speaking? could you be speaking? could they be speaking?
Perfeito
could I have spoken, spoke? could you have spoken, spoke? could he have spoken, spoke? could we have spoken, spoke? could you have spoken, spoke? could they have spoken, spoke?
Perfeito com V-ing
could I have been speaking? could you have been speaking? could he have been speaking? could we have been speaking? could you have been speaking? could they have been speaking?
Forma interro-Negação
Forma simple
couldn't I speak? couldn't you speak? couldn't he speak? couldn't we speak? couldn't you speak? couldn't they speak?
Forma com V-ing
couldn't I be speaking? couldn't you be speaking? couldn't he be speaking? couldn't we be speaking? couldn't you be speaking? couldn't they be speaking?
Perfeito
couldn't I have spoken, spoke? couldn't you have spoken, spoke? couldn't he have spoken, spoke? couldn't we have spoken, spoke? couldn't you have spoken, spoke? couldn't they have spoken, spoke?
Perfeito com V-ing
couldn't I have been speaking? couldn't you have been speaking? couldn't he have been speaking? couldn't we have been speaking? couldn't you have been speaking? couldn't they have been speaking?