Conjugación del verbo inglés COULD KNOCK
Verbo regular: knock - knocked - knocked
Afirmación
Forma simple
I could knockyou could knock
he could knock
we could knock
you could knock
they could knock
Forma con V-ing
I could be knockingyou could be knocking
he could be knocking
we could be knocking
you could be knocking
they could be knocking
Perfecto
I could have knockedyou could have knocked
he could have knocked
we could have knocked
you could have knocked
they could have knocked
Perfecto con V-ing
I could have been knockingyou could have been knocking
he could have been knocking
we could have been knocking
you could have been knocking
they could have been knocking
Negación
Forma simple
I couldn't knockyou couldn't knock
he couldn't knock
we couldn't knock
you couldn't knock
they couldn't knock
Forma con V-ing
I couldn't be knockingyou couldn't be knocking
he couldn't be knocking
we couldn't be knocking
you couldn't be knocking
they couldn't be knocking
Perfecto
I couldn't have knockedyou couldn't have knocked
he couldn't have knocked
we couldn't have knocked
you couldn't have knocked
they couldn't have knocked
Perfecto con V-ing
I couldn't have been knockingyou couldn't have been knocking
he couldn't have been knocking
we couldn't have been knocking
you couldn't have been knocking
they couldn't have been knocking
Forma interrogativa
Forma simple
could I knock?could you knock?
could he knock?
could we knock?
could you knock?
could they knock?
Forma con V-ing
could I be knocking?could you be knocking?
could he be knocking?
could we be knocking?
could you be knocking?
could they be knocking?
Perfecto
could I have knocked?could you have knocked?
could he have knocked?
could we have knocked?
could you have knocked?
could they have knocked?
Perfecto con V-ing
could I have been knocking?could you have been knocking?
could he have been knocking?
could we have been knocking?
could you have been knocking?
could they have been knocking?
Forma interro-negativa
Forma simple
couldn't I knock?couldn't you knock?
couldn't he knock?
couldn't we knock?
couldn't you knock?
couldn't they knock?
Forma con V-ing
couldn't I be knocking?couldn't you be knocking?
couldn't he be knocking?
couldn't we be knocking?
couldn't you be knocking?
couldn't they be knocking?
Perfecto
couldn't I have knocked?couldn't you have knocked?
couldn't he have knocked?
couldn't we have knocked?
couldn't you have knocked?
couldn't they have knocked?
Perfecto con V-ing
couldn't I have been knocking?couldn't you have been knocking?
couldn't he have been knocking?
couldn't we have been knocking?
couldn't you have been knocking?
couldn't they have been knocking?