I should observe you should observe she should observe we should observe you should observe they should observe
Forme en V-ing
I should be observing you should be observing she should be observing we should be observing you should be observing they should be observing
Perfect
I should have observed you should have observed she should have observed we should have observed you should have observed they should have observed
Perfect en V-ing
I should have been observing you should have been observing she should have been observing we should have been observing you should have been observing they should have been observing
Négation
Forme simple
I should not observe you should not observe she should not observe we should not observe you should not observe they should not observe
Forme en V-ing
I should not be observing you should not be observing she should not be observing we should not be observing you should not be observing they should not be observing
Perfect
I should not have observed you should not have observed she should not have observed we should not have observed you should not have observed they should not have observed
Perfect en V-ing
I should not have been observing you should not have been observing she should not have been observing we should not have been observing you should not have been observing they should not have been observing
Forme interrogative
Forme simple
should I observe? should you observe? should she observe? should we observe? should you observe? should they observe?
Forme en V-ing
should I be observing? should you be observing? should she be observing? should we be observing? should you be observing? should they be observing?
Perfect
should I have observed? should you have observed? should she have observed? should we have observed? should you have observed? should they have observed?
Perfect en V-ing
should I have been observing? should you have been observing? should she have been observing? should we have been observing? should you have been observing? should they have been observing?
Forme interro-négative
Forme simple
should I not observe? should you not observe? should she not observe? should we not observe? should you not observe? should they not observe?
Forme en V-ing
should I not be observing? should you not be observing? should she not be observing? should we not be observing? should you not be observing? should they not be observing?
Perfect
should I not have observed? should you not have observed? should she not have observed? should we not have observed? should you not have observed? should they not have observed?
Perfect en V-ing
should I not have been observing? should you not have been observing? should she not have been observing? should we not have been observing? should you not have been observing? should they not have been observing?