I could secrete you could secrete she could secrete we could secrete you could secrete they could secrete
Forme en V-ing
I could be secreting you could be secreting she could be secreting we could be secreting you could be secreting they could be secreting
Perfect
I could have secreted you could have secreted she could have secreted we could have secreted you could have secreted they could have secreted
Perfect en V-ing
I could have been secreting you could have been secreting she could have been secreting we could have been secreting you could have been secreting they could have been secreting
Négation
Forme simple
I could not secrete you could not secrete she could not secrete we could not secrete you could not secrete they could not secrete
Forme en V-ing
I could not be secreting you could not be secreting she could not be secreting we could not be secreting you could not be secreting they could not be secreting
Perfect
I could not have secreted you could not have secreted she could not have secreted we could not have secreted you could not have secreted they could not have secreted
Perfect en V-ing
I could not have been secreting you could not have been secreting she could not have been secreting we could not have been secreting you could not have been secreting they could not have been secreting
Forme interrogative
Forme simple
could I secrete? could you secrete? could she secrete? could we secrete? could you secrete? could they secrete?
Forme en V-ing
could I be secreting? could you be secreting? could she be secreting? could we be secreting? could you be secreting? could they be secreting?
Perfect
could I have secreted? could you have secreted? could she have secreted? could we have secreted? could you have secreted? could they have secreted?
Perfect en V-ing
could I have been secreting? could you have been secreting? could she have been secreting? could we have been secreting? could you have been secreting? could they have been secreting?
Forme interro-négative
Forme simple
could I not secrete? could you not secrete? could she not secrete? could we not secrete? could you not secrete? could they not secrete?
Forme en V-ing
could I not be secreting? could you not be secreting? could she not be secreting? could we not be secreting? could you not be secreting? could they not be secreting?
Perfect
could I not have secreted? could you not have secreted? could she not have secreted? could we not have secreted? could you not have secreted? could they not have secreted?
Perfect en V-ing
could I not have been secreting? could you not have been secreting? could she not have been secreting? could we not have been secreting? could you not have been secreting? could they not have been secreting?