Conjugación del verbo inglés
SHOULD KNOCK

Verbo regular: knock - knocked - knocked

Afirmación

Forma simple	Forma con V-ing
I'd knock you'd knock he'd knock we'd knock you'd knock they'd knock	I'd be knocking you'd be knocking he'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 he 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 he 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 he 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 he 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 he 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 he 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 he knock? should we knock? should you knock? should they knock?	should I be knocking? should you be knocking? should he 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 he 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 he 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 he 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 he 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 he 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 he have been knocking? shouldn't we have been knocking? shouldn't you have been knocking? shouldn't they have been knocking?