I should master you should master she should master we should master you should master they should master
Forme en V-ing
I should be mastering you should be mastering she should be mastering we should be mastering you should be mastering they should be mastering
Perfect
I should have mastered you should have mastered she should have mastered we should have mastered you should have mastered they should have mastered
Perfect en V-ing
I should have been mastering you should have been mastering she should have been mastering we should have been mastering you should have been mastering they should have been mastering
Négation
Forme simple
I should not master you should not master she should not master we should not master you should not master they should not master
Forme en V-ing
I should not be mastering you should not be mastering she should not be mastering we should not be mastering you should not be mastering they should not be mastering
Perfect
I should not have mastered you should not have mastered she should not have mastered we should not have mastered you should not have mastered they should not have mastered
Perfect en V-ing
I should not have been mastering you should not have been mastering she should not have been mastering we should not have been mastering you should not have been mastering they should not have been mastering
Forme interrogative
Forme simple
should I master? should you master? should she master? should we master? should you master? should they master?
Forme en V-ing
should I be mastering? should you be mastering? should she be mastering? should we be mastering? should you be mastering? should they be mastering?
Perfect
should I have mastered? should you have mastered? should she have mastered? should we have mastered? should you have mastered? should they have mastered?
Perfect en V-ing
should I have been mastering? should you have been mastering? should she have been mastering? should we have been mastering? should you have been mastering? should they have been mastering?
Forme interro-négative
Forme simple
should I not master? should you not master? should she not master? should we not master? should you not master? should they not master?
Forme en V-ing
should I not be mastering? should you not be mastering? should she not be mastering? should we not be mastering? should you not be mastering? should they not be mastering?
Perfect
should I not have mastered? should you not have mastered? should she not have mastered? should we not have mastered? should you not have mastered? should they not have mastered?
Perfect en V-ing
should I not have been mastering? should you not have been mastering? should she not have been mastering? should we not have been mastering? should you not have been mastering? should they not have been mastering?