Conjugación del verbo inglés
SHOULD SECERN

Verbo regular: secern - secerned - secerned

Afirmación

Forma simple	Forma con V-ing
I'd secern you'd secern he'd secern we'd secern you'd secern they'd secern	I'd be secerning you'd be secerning he'd be secerning we'd be secerning you'd be secerning they'd be secerning
Perfecto	Perfecto con V-ing
I should've secerned you should've secerned he should've secerned we should've secerned you should've secerned they should've secerned	I should've been secerning you should've been secerning he should've been secerning we should've been secerning you should've been secerning they should've been secerning

Negación

Forma simple	Forma con V-ing
I shouldn't secern you shouldn't secern he shouldn't secern we shouldn't secern you shouldn't secern they shouldn't secern	I shouldn't be secerning you shouldn't be secerning he shouldn't be secerning we shouldn't be secerning you shouldn't be secerning they shouldn't be secerning
Perfecto	Perfecto con V-ing
I shouldn't have secerned you shouldn't have secerned he shouldn't have secerned we shouldn't have secerned you shouldn't have secerned they shouldn't have secerned	I shouldn't have been secerning you shouldn't have been secerning he shouldn't have been secerning we shouldn't have been secerning you shouldn't have been secerning they shouldn't have been secerning

Forma interrogativa

Forma simple	Forma con V-ing
should I secern? should you secern? should he secern? should we secern? should you secern? should they secern?	should I be secerning? should you be secerning? should he be secerning? should we be secerning? should you be secerning? should they be secerning?
Perfecto	Perfecto con V-ing
should I have secerned? should you have secerned? should he have secerned? should we have secerned? should you have secerned? should they have secerned?	should I have been secerning? should you have been secerning? should he have been secerning? should we have been secerning? should you have been secerning? should they have been secerning?

Forma interro-negativa

Forma simple	Forma con V-ing
shouldn't I secern? shouldn't you secern? shouldn't he secern? shouldn't we secern? shouldn't you secern? shouldn't they secern?	shouldn't I be secerning? shouldn't you be secerning? shouldn't he be secerning? shouldn't we be secerning? shouldn't you be secerning? shouldn't they be secerning?
Perfecto	Perfecto con V-ing
shouldn't I have secerned? shouldn't you have secerned? shouldn't he have secerned? shouldn't we have secerned? shouldn't you have secerned? shouldn't they have secerned?	shouldn't I have been secerning? shouldn't you have been secerning? shouldn't he have been secerning? shouldn't we have been secerning? shouldn't you have been secerning? shouldn't they have been secerning?