Verbo regular: knock - knocked - knocked
Forma simple | Forma con V-ing |
I could knock you could knock he could knock we could knock you could knock they could knock | I could be knocking you could be knocking he could be knocking we could be knocking you could be knocking they could be knocking |
Perfecto | Perfecto con V-ing |
I could have knocked you could have knocked he could have knocked we could have knocked you could have knocked they could have knocked | I could have been knocking you could have been knocking he could have been knocking we could have been knocking you could have been knocking they could have been knocking |
Forma simple | Forma con V-ing |
I couldn't knock you couldn't knock he couldn't knock we couldn't knock you couldn't knock they couldn't knock | I couldn't be knocking you 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 | Perfecto con V-ing |
I couldn't have knocked you couldn't have knocked he couldn't have knocked we couldn't have knocked you couldn't have knocked they couldn't have knocked | I couldn't have been knocking you 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 simple | Forma con V-ing |
could I knock? could you knock? could he knock? could we knock? could you knock? could they knock? | 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 | Perfecto con V-ing |
could I have knocked? could you have knocked? could he have knocked? could we have knocked? could you have knocked? could they have knocked? | 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 simple | Forma con V-ing |
couldn't I knock? couldn't you knock? couldn't he knock? couldn't we knock? couldn't you knock? couldn't they knock? | 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 | Perfecto con V-ing |
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? | 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? |