I could signalize you could signalize he could signalize we could signalize you could signalize they could signalize
Forme en V-ing
I could be signalizing you could be signalizing he could be signalizing we could be signalizing you could be signalizing they could be signalizing
Perfect
I could have signalized you could have signalized he could have signalized we could have signalized you could have signalized they could have signalized
Perfect en V-ing
I could have been signalizing you could have been signalizing he could have been signalizing we could have been signalizing you could have been signalizing they could have been signalizing
Négation
Forme simple
I couldn't signalize you couldn't signalize he couldn't signalize we couldn't signalize you couldn't signalize they couldn't signalize
Forme en V-ing
I couldn't be signalizing you couldn't be signalizing he couldn't be signalizing we couldn't be signalizing you couldn't be signalizing they couldn't be signalizing
Perfect
I couldn't have signalized you couldn't have signalized he couldn't have signalized we couldn't have signalized you couldn't have signalized they couldn't have signalized
Perfect en V-ing
I couldn't have been signalizing you couldn't have been signalizing he couldn't have been signalizing we couldn't have been signalizing you couldn't have been signalizing they couldn't have been signalizing
Forme interrogative
Forme simple
could I signalize? could you signalize? could he signalize? could we signalize? could you signalize? could they signalize?
Forme en V-ing
could I be signalizing? could you be signalizing? could he be signalizing? could we be signalizing? could you be signalizing? could they be signalizing?
Perfect
could I have signalized? could you have signalized? could he have signalized? could we have signalized? could you have signalized? could they have signalized?
Perfect en V-ing
could I have been signalizing? could you have been signalizing? could he have been signalizing? could we have been signalizing? could you have been signalizing? could they have been signalizing?
Forme interro-négative
Forme simple
couldn't I signalize? couldn't you signalize? couldn't he signalize? couldn't we signalize? couldn't you signalize? couldn't they signalize?
Forme en V-ing
couldn't I be signalizing? couldn't you be signalizing? couldn't he be signalizing? couldn't we be signalizing? couldn't you be signalizing? couldn't they be signalizing?
Perfect
couldn't I have signalized? couldn't you have signalized? couldn't he have signalized? couldn't we have signalized? couldn't you have signalized? couldn't they have signalized?
Perfect en V-ing
couldn't I have been signalizing? couldn't you have been signalizing? couldn't he have been signalizing? couldn't we have been signalizing? couldn't you have been signalizing? couldn't they have been signalizing?