I should decay you should decay she should decay we should decay you should decay they should decay
Forme en V-ing
I should be decaying you should be decaying she should be decaying we should be decaying you should be decaying they should be decaying
Perfect
I should have decayed you should have decayed she should have decayed we should have decayed you should have decayed they should have decayed
Perfect en V-ing
I should have been decaying you should have been decaying she should have been decaying we should have been decaying you should have been decaying they should have been decaying
Négation
Forme simple
I should not decay you should not decay she should not decay we should not decay you should not decay they should not decay
Forme en V-ing
I should not be decaying you should not be decaying she should not be decaying we should not be decaying you should not be decaying they should not be decaying
Perfect
I should not have decayed you should not have decayed she should not have decayed we should not have decayed you should not have decayed they should not have decayed
Perfect en V-ing
I should not have been decaying you should not have been decaying she should not have been decaying we should not have been decaying you should not have been decaying they should not have been decaying
Forme interrogative
Forme simple
should I decay? should you decay? should she decay? should we decay? should you decay? should they decay?
Forme en V-ing
should I be decaying? should you be decaying? should she be decaying? should we be decaying? should you be decaying? should they be decaying?
Perfect
should I have decayed? should you have decayed? should she have decayed? should we have decayed? should you have decayed? should they have decayed?
Perfect en V-ing
should I have been decaying? should you have been decaying? should she have been decaying? should we have been decaying? should you have been decaying? should they have been decaying?
Forme interro-négative
Forme simple
should I not decay? should you not decay? should she not decay? should we not decay? should you not decay? should they not decay?
Forme en V-ing
should I not be decaying? should you not be decaying? should she not be decaying? should we not be decaying? should you not be decaying? should they not be decaying?
Perfect
should I not have decayed? should you not have decayed? should she not have decayed? should we not have decayed? should you not have decayed? should they not have decayed?
Perfect en V-ing
should I not have been decaying? should you not have been decaying? should she not have been decaying? should we not have been decaying? should you not have been decaying? should they not have been decaying?