Conjugación del verbo inglés
SHOULD KNOCK

Verbo regular: knock - knocked - knocked

Afirmación

Forma simple	Forma con V-ing
I'd knock you'd knock she'd knock we'd knock you'd knock they'd knock	I'd be knocking you'd be knocking she'd be knocking we'd be knocking you'd be knocking they'd be knocking
Perfecto	Perfecto con V-ing
I should've knocked you should've knocked she should've knocked we should've knocked you should've knocked they should've knocked	I should've been knocking you should've been knocking she should've been knocking we should've been knocking you should've been knocking they should've been knocking

Negación

Forma simple	Forma con V-ing
I shouldn't knock you shouldn't knock she shouldn't knock we shouldn't knock you shouldn't knock they shouldn't knock	I shouldn't be knocking you shouldn't be knocking she shouldn't be knocking we shouldn't be knocking you shouldn't be knocking they shouldn't be knocking
Perfecto	Perfecto con V-ing
I shouldn't have knocked you shouldn't have knocked she shouldn't have knocked we shouldn't have knocked you shouldn't have knocked they shouldn't have knocked	I shouldn't have been knocking you shouldn't have been knocking she shouldn't have been knocking we shouldn't have been knocking you shouldn't have been knocking they shouldn't have been knocking

Forma interrogativa

Forma simple	Forma con V-ing
should I knock? should you knock? should she knock? should we knock? should you knock? should they knock?	should I be knocking? should you be knocking? should she be knocking? should we be knocking? should you be knocking? should they be knocking?
Perfecto	Perfecto con V-ing
should I have knocked? should you have knocked? should she have knocked? should we have knocked? should you have knocked? should they have knocked?	should I have been knocking? should you have been knocking? should she have been knocking? should we have been knocking? should you have been knocking? should they have been knocking?

Forma interro-negativa

Forma simple	Forma con V-ing
shouldn't I knock? shouldn't you knock? shouldn't she knock? shouldn't we knock? shouldn't you knock? shouldn't they knock?	shouldn't I be knocking? shouldn't you be knocking? shouldn't she be knocking? shouldn't we be knocking? shouldn't you be knocking? shouldn't they be knocking?
Perfecto	Perfecto con V-ing
shouldn't I have knocked? shouldn't you have knocked? shouldn't she have knocked? shouldn't we have knocked? shouldn't you have knocked? shouldn't they have knocked?	shouldn't I have been knocking? shouldn't you have been knocking? shouldn't she have been knocking? shouldn't we have been knocking? shouldn't you have been knocking? shouldn't they have been knocking?