I could glide you could glide he could glide we could glide you could glide they could glide
Forme en V-ing
I could be gliding you could be gliding he could be gliding we could be gliding you could be gliding they could be gliding
Perfect
I could have glided you could have glided he could have glided we could have glided you could have glided they could have glided
Perfect en V-ing
I could have been gliding you could have been gliding he could have been gliding we could have been gliding you could have been gliding they could have been gliding
Négation
Forme simple
I could not glide you could not glide he could not glide we could not glide you could not glide they could not glide
Forme en V-ing
I could not be gliding you could not be gliding he could not be gliding we could not be gliding you could not be gliding they could not be gliding
Perfect
I could not have glided you could not have glided he could not have glided we could not have glided you could not have glided they could not have glided
Perfect en V-ing
I could not have been gliding you could not have been gliding he could not have been gliding we could not have been gliding you could not have been gliding they could not have been gliding
Forme interrogative
Forme simple
could I glide? could you glide? could he glide? could we glide? could you glide? could they glide?
Forme en V-ing
could I be gliding? could you be gliding? could he be gliding? could we be gliding? could you be gliding? could they be gliding?
Perfect
could I have glided? could you have glided? could he have glided? could we have glided? could you have glided? could they have glided?
Perfect en V-ing
could I have been gliding? could you have been gliding? could he have been gliding? could we have been gliding? could you have been gliding? could they have been gliding?
Forme interro-négative
Forme simple
could I not glide? could you not glide? could he not glide? could we not glide? could you not glide? could they not glide?
Forme en V-ing
could I not be gliding? could you not be gliding? could he not be gliding? could we not be gliding? could you not be gliding? could they not be gliding?
Perfect
could I not have glided? could you not have glided? could he not have glided? could we not have glided? could you not have glided? could they not have glided?
Perfect en V-ing
could I not have been gliding? could you not have been gliding? could he not have been gliding? could we not have been gliding? could you not have been gliding? could they not have been gliding?