should secern
Verbe régulier : secern - secerned- secerned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd secern
you'd secern
she'd secern
we'd secern
you'd secern
they'd secern 	I'd be secerning
you'd be secerning
she'd be secerning
we'd be secerning
you'd be secerning
they'd be secerning	I should've secerned
you should've secerned
she 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
she should've been secerning
we should've been secerning
you should've been secerning
they should've been secerning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't secern
you shouldn't secern
she 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
she shouldn't be secerning
we shouldn't be secerning
you shouldn't be secerning
they shouldn't be secerning	I shouldn't have secerned
you shouldn't have secerned
she 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
she shouldn't have been secerning
we shouldn't have been secerning
you shouldn't have been secerning
they shouldn't have been secerning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I secern?
should you secern?
should she secern?
should we secern?
should you secern?
should they secern? 	should I be secerning?
should you be secerning?
should she be secerning?
should we be secerning?
should you be secerning?
should they be secerning? 	should I have secerned?
should you have secerned?
should she 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 she have been secerning?
should we have been secerning?
should you have been secerning?
should they have been secerning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I secern?
shouldn't you secern?
shouldn't she 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 she be secerning?
shouldn't we be secerning?
shouldn't you be secerning?
shouldn't they be secerning? 	shouldn't I have secerned?
shouldn't you have secerned?
shouldn't she 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 she have been secerning?
shouldn't we have been secerning?
shouldn't you have been secerning?
shouldn't they have been secerning?