should return
Verbe régulier : return - returned- returned
Traduction française : retourner - rendre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should return
you should return
she should return
we should return
you should return
they should return 	I should be returning
you should be returning
she should be returning
we should be returning
you should be returning
they should be returning	I should have returned
you should have returned
she should have returned
we should have returned
you should have returned
they should have returned	I should have been returning
you should have been returning
she should have been returning
we should have been returning
you should have been returning
they should have been returning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not return
you should not return
she should not return
we should not return
you should not return
they should not return 	I should not be returning
you should not be returning
she should not be returning
we should not be returning
you should not be returning
they should not be returning	I should not have returned
you should not have returned
she should not have returned
we should not have returned
you should not have returned
they should not have returned	I should not have been returning
you should not have been returning
she should not have been returning
we should not have been returning
you should not have been returning
they should not have been returning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I return?
should you return?
should she return?
should we return?
should you return?
should they return? 	should I be returning?
should you be returning?
should she be returning?
should we be returning?
should you be returning?
should they be returning? 	should I have returned?
should you have returned?
should she have returned?
should we have returned?
should you have returned?
should they have returned? 	should I have been returning?
should you have been returning?
should she have been returning?
should we have been returning?
should you have been returning?
should they have been returning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not return?
should you not return?
should she not return?
should we not return?
should you not return?
should they not return? 	should I not be returning?
should you not be returning?
should she not be returning?
should we not be returning?
should you not be returning?
should they not be returning? 	should I not have returned?
should you not have returned?
should she not have returned?
should we not have returned?
should you not have returned?
should they not have returned? 	should I not have been returning?
should you not have been returning?
should she not have been returning?
should we not have been returning?
should you not have been returning?
should they not have been returning?