Conjugación del verbo inglés
SHOULD SECERN

Verbo regular: secern - secerned - secerned

Afirmación

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

Negación

Forma simple	Forma con V-ing
I should not secern you should not secern he should not secern we should not secern you should not secern they should not secern	I should not be secerning you should not be secerning he should not be secerning we should not be secerning you should not be secerning they should not be secerning
Perfecto	Perfecto con V-ing
I should not have secerned you should not have secerned he should not have secerned we should not have secerned you should not have secerned they should not have secerned	I should not have been secerning you should not have been secerning he should not have been secerning we should not have been secerning you should not have been secerning they should not 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
should I not secern? should you not secern? should he not secern? should we not secern? should you not secern? should they not secern?	should I not be secerning? should you not be secerning? should he not be secerning? should we not be secerning? should you not be secerning? should they not be secerning?
Perfecto	Perfecto con V-ing
should I not have secerned? should you not have secerned? should he not have secerned? should we not have secerned? should you not have secerned? should they not have secerned?	should I not have been secerning? should you not have been secerning? should he not have been secerning? should we not have been secerning? should you not have been secerning? should they not have been secerning?