I could oversee you could oversee she could oversee we could oversee you could oversee they could oversee
Forme en V-ing
I could be overseeing you could be overseeing she could be overseeing we could be overseeing you could be overseeing they could be overseeing
Perfect
I could have overseen you could have overseen she could have overseen we could have overseen you could have overseen they could have overseen
Perfect en V-ing
I could have been overseeing you could have been overseeing she could have been overseeing we could have been overseeing you could have been overseeing they could have been overseeing
Négation
Forme simple
I couldn't oversee you couldn't oversee she couldn't oversee we couldn't oversee you couldn't oversee they couldn't oversee
Forme en V-ing
I couldn't be overseeing you couldn't be overseeing she couldn't be overseeing we couldn't be overseeing you couldn't be overseeing they couldn't be overseeing
Perfect
I couldn't have overseen you couldn't have overseen she couldn't have overseen we couldn't have overseen you couldn't have overseen they couldn't have overseen
Perfect en V-ing
I couldn't have been overseeing you couldn't have been overseeing she couldn't have been overseeing we couldn't have been overseeing you couldn't have been overseeing they couldn't have been overseeing
Forme interrogative
Forme simple
could I oversee? could you oversee? could she oversee? could we oversee? could you oversee? could they oversee?
Forme en V-ing
could I be overseeing? could you be overseeing? could she be overseeing? could we be overseeing? could you be overseeing? could they be overseeing?
Perfect
could I have overseen? could you have overseen? could she have overseen? could we have overseen? could you have overseen? could they have overseen?
Perfect en V-ing
could I have been overseeing? could you have been overseeing? could she have been overseeing? could we have been overseeing? could you have been overseeing? could they have been overseeing?
Forme interro-négative
Forme simple
couldn't I oversee? couldn't you oversee? couldn't she oversee? couldn't we oversee? couldn't you oversee? couldn't they oversee?
Forme en V-ing
couldn't I be overseeing? couldn't you be overseeing? couldn't she be overseeing? couldn't we be overseeing? couldn't you be overseeing? couldn't they be overseeing?
Perfect
couldn't I have overseen? couldn't you have overseen? couldn't she have overseen? couldn't we have overseen? couldn't you have overseen? couldn't they have overseen?
Perfect en V-ing
couldn't I have been overseeing? couldn't you have been overseeing? couldn't she have been overseeing? couldn't we have been overseeing? couldn't you have been overseeing? couldn't they have been overseeing?