Conjugação do verbo inglês
COULD DUMB

Verbo regular: dumb - dumbed - dumbed

Afirmação

Forma simple	Forma com V-ing
I could dumb you could dumb he could dumb we could dumb you could dumb they could dumb	I could be dumbing you could be dumbing he could be dumbing we could be dumbing you could be dumbing they could be dumbing
Perfeito	Perfeito com V-ing
I could have dumbed you could have dumbed he could have dumbed we could have dumbed you could have dumbed they could have dumbed	I could have been dumbing you could have been dumbing he could have been dumbing we could have been dumbing you could have been dumbing they could have been dumbing

Negação

Forma simple	Forma com V-ing
I could not dumb you could not dumb he could not dumb we could not dumb you could not dumb they could not dumb	I could not be dumbing you could not be dumbing he could not be dumbing we could not be dumbing you could not be dumbing they could not be dumbing
Perfeito	Perfeito com V-ing
I could not have dumbed you could not have dumbed he could not have dumbed we could not have dumbed you could not have dumbed they could not have dumbed	I could not have been dumbing you could not have been dumbing he could not have been dumbing we could not have been dumbing you could not have been dumbing they could not have been dumbing

Forma interrogativa

Forma simple	Forma com V-ing
could I dumb? could you dumb? could he dumb? could we dumb? could you dumb? could they dumb?	could I be dumbing? could you be dumbing? could he be dumbing? could we be dumbing? could you be dumbing? could they be dumbing?
Perfeito	Perfeito com V-ing
could I have dumbed? could you have dumbed? could he have dumbed? could we have dumbed? could you have dumbed? could they have dumbed?	could I have been dumbing? could you have been dumbing? could he have been dumbing? could we have been dumbing? could you have been dumbing? could they have been dumbing?

Forma interro-Negação

Forma simple	Forma com V-ing
could I not dumb? could you not dumb? could he not dumb? could we not dumb? could you not dumb? could they not dumb?	could I not be dumbing? could you not be dumbing? could he not be dumbing? could we not be dumbing? could you not be dumbing? could they not be dumbing?
Perfeito	Perfeito com V-ing
could I not have dumbed? could you not have dumbed? could he not have dumbed? could we not have dumbed? could you not have dumbed? could they not have dumbed?	could I not have been dumbing? could you not have been dumbing? could he not have been dumbing? could we not have been dumbing? could you not have been dumbing? could they not have been dumbing?