I should backcheck you should backcheck she should backcheck we should backcheck you should backcheck they should backcheck
Forme en V-ing
I should be backchecking you should be backchecking she should be backchecking we should be backchecking you should be backchecking they should be backchecking
Perfect
I should have backchecked you should have backchecked she should have backchecked we should have backchecked you should have backchecked they should have backchecked
Perfect en V-ing
I should have been backchecking you should have been backchecking she should have been backchecking we should have been backchecking you should have been backchecking they should have been backchecking
Négation
Forme simple
I should not backcheck you should not backcheck she should not backcheck we should not backcheck you should not backcheck they should not backcheck
Forme en V-ing
I should not be backchecking you should not be backchecking she should not be backchecking we should not be backchecking you should not be backchecking they should not be backchecking
Perfect
I should not have backchecked you should not have backchecked she should not have backchecked we should not have backchecked you should not have backchecked they should not have backchecked
Perfect en V-ing
I should not have been backchecking you should not have been backchecking she should not have been backchecking we should not have been backchecking you should not have been backchecking they should not have been backchecking
Forme interrogative
Forme simple
should I backcheck? should you backcheck? should she backcheck? should we backcheck? should you backcheck? should they backcheck?
Forme en V-ing
should I be backchecking? should you be backchecking? should she be backchecking? should we be backchecking? should you be backchecking? should they be backchecking?
Perfect
should I have backchecked? should you have backchecked? should she have backchecked? should we have backchecked? should you have backchecked? should they have backchecked?
Perfect en V-ing
should I have been backchecking? should you have been backchecking? should she have been backchecking? should we have been backchecking? should you have been backchecking? should they have been backchecking?
Forme interro-négative
Forme simple
should I not backcheck? should you not backcheck? should she not backcheck? should we not backcheck? should you not backcheck? should they not backcheck?
Forme en V-ing
should I not be backchecking? should you not be backchecking? should she not be backchecking? should we not be backchecking? should you not be backchecking? should they not be backchecking?
Perfect
should I not have backchecked? should you not have backchecked? should she not have backchecked? should we not have backchecked? should you not have backchecked? should they not have backchecked?
Perfect en V-ing
should I not have been backchecking? should you not have been backchecking? should she not have been backchecking? should we not have been backchecking? should you not have been backchecking? should they not have been backchecking?