I could stab you could stab she could stab we could stab you could stab they could stab
Forma com V-ing
I could be stabbing you could be stabbing she could be stabbing we could be stabbing you could be stabbing they could be stabbing
Perfeito
I could have stabbed you could have stabbed she could have stabbed we could have stabbed you could have stabbed they could have stabbed
Perfeito com V-ing
I could have been stabbing you could have been stabbing she could have been stabbing we could have been stabbing you could have been stabbing they could have been stabbing
Negação
Forma simple
I couldn't stab you couldn't stab she couldn't stab we couldn't stab you couldn't stab they couldn't stab
Forma com V-ing
I couldn't be stabbing you couldn't be stabbing she couldn't be stabbing we couldn't be stabbing you couldn't be stabbing they couldn't be stabbing
Perfeito
I couldn't have stabbed you couldn't have stabbed she couldn't have stabbed we couldn't have stabbed you couldn't have stabbed they couldn't have stabbed
Perfeito com V-ing
I couldn't have been stabbing you couldn't have been stabbing she couldn't have been stabbing we couldn't have been stabbing you couldn't have been stabbing they couldn't have been stabbing
Forma interrogativa
Forma simple
could I stab? could you stab? could she stab? could we stab? could you stab? could they stab?
Forma com V-ing
could I be stabbing? could you be stabbing? could she be stabbing? could we be stabbing? could you be stabbing? could they be stabbing?
Perfeito
could I have stabbed? could you have stabbed? could she have stabbed? could we have stabbed? could you have stabbed? could they have stabbed?
Perfeito com V-ing
could I have been stabbing? could you have been stabbing? could she have been stabbing? could we have been stabbing? could you have been stabbing? could they have been stabbing?
Forma interro-Negação
Forma simple
couldn't I stab? couldn't you stab? couldn't she stab? couldn't we stab? couldn't you stab? couldn't they stab?
Forma com V-ing
couldn't I be stabbing? couldn't you be stabbing? couldn't she be stabbing? couldn't we be stabbing? couldn't you be stabbing? couldn't they be stabbing?
Perfeito
couldn't I have stabbed? couldn't you have stabbed? couldn't she have stabbed? couldn't we have stabbed? couldn't you have stabbed? couldn't they have stabbed?
Perfeito com V-ing
couldn't I have been stabbing? couldn't you have been stabbing? couldn't she have been stabbing? couldn't we have been stabbing? couldn't you have been stabbing? couldn't they have been stabbing?