I should operate you should operate he should operate we should operate you should operate they should operate
Forme en V-ing
I should be operating you should be operating he should be operating we should be operating you should be operating they should be operating
Perfect
I should have operated you should have operated he should have operated we should have operated you should have operated they should have operated
Perfect en V-ing
I should have been operating you should have been operating he should have been operating we should have been operating you should have been operating they should have been operating
Négation
Forme simple
I should not operate you should not operate he should not operate we should not operate you should not operate they should not operate
Forme en V-ing
I should not be operating you should not be operating he should not be operating we should not be operating you should not be operating they should not be operating
Perfect
I should not have operated you should not have operated he should not have operated we should not have operated you should not have operated they should not have operated
Perfect en V-ing
I should not have been operating you should not have been operating he should not have been operating we should not have been operating you should not have been operating they should not have been operating
Forme interrogative
Forme simple
should I operate? should you operate? should he operate? should we operate? should you operate? should they operate?
Forme en V-ing
should I be operating? should you be operating? should he be operating? should we be operating? should you be operating? should they be operating?
Perfect
should I have operated? should you have operated? should he have operated? should we have operated? should you have operated? should they have operated?
Perfect en V-ing
should I have been operating? should you have been operating? should he have been operating? should we have been operating? should you have been operating? should they have been operating?
Forme interro-négative
Forme simple
should I not operate? should you not operate? should he not operate? should we not operate? should you not operate? should they not operate?
Forme en V-ing
should I not be operating? should you not be operating? should he not be operating? should we not be operating? should you not be operating? should they not be operating?
Perfect
should I not have operated? should you not have operated? should he not have operated? should we not have operated? should you not have operated? should they not have operated?
Perfect en V-ing
should I not have been operating? should you not have been operating? should he not have been operating? should we not have been operating? should you not have been operating? should they not have been operating?