should screen
Verbe régulier : screen - screened- screened
Traduction française : projeter - protéger 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should screen
you should screen
she should screen
we should screen
you should screen
they should screen 	I should be screening
you should be screening
she should be screening
we should be screening
you should be screening
they should be screening	I should have screened
you should have screened
she should have screened
we should have screened
you should have screened
they should have screened	I should have been screening
you should have been screening
she should have been screening
we should have been screening
you should have been screening
they should have been screening	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not screen
you should not screen
she should not screen
we should not screen
you should not screen
they should not screen 	I should not be screening
you should not be screening
she should not be screening
we should not be screening
you should not be screening
they should not be screening	I should not have screened
you should not have screened
she should not have screened
we should not have screened
you should not have screened
they should not have screened	I should not have been screening
you should not have been screening
she should not have been screening
we should not have been screening
you should not have been screening
they should not have been screening	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I screen?
should you screen?
should she screen?
should we screen?
should you screen?
should they screen? 	should I be screening?
should you be screening?
should she be screening?
should we be screening?
should you be screening?
should they be screening? 	should I have screened?
should you have screened?
should she have screened?
should we have screened?
should you have screened?
should they have screened? 	should I have been screening?
should you have been screening?
should she have been screening?
should we have been screening?
should you have been screening?
should they have been screening? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not screen?
should you not screen?
should she not screen?
should we not screen?
should you not screen?
should they not screen? 	should I not be screening?
should you not be screening?
should she not be screening?
should we not be screening?
should you not be screening?
should they not be screening? 	should I not have screened?
should you not have screened?
should she not have screened?
should we not have screened?
should you not have screened?
should they not have screened? 	should I not have been screening?
should you not have been screening?
should she not have been screening?
should we not have been screening?
should you not have been screening?
should they not have been screening?