Conjugación del verbo inglés
CAN SECERN

Verbo regular: secern - secerned - secerned

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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