* In common language
the Genitive of the substantival possessive pronoun is
not used. There is another form of a possessive that
could be used (der deinige, die deinige, das deinige),
but it sounds really antiquated. If you want to form
a Genitive of deine
it is mostly done like in English.
Das
ist der Schlüssel von deinem (Auto
etc.).
This is the key of yours. (car etc.).
The same could be done with a real Genitive and deinige
(it's just not used commonly):
Das
ist der Schlüssel des deinigen.
This is the key of yours.
Example:
die Schachtel (= box) possessed object => feminine,
singular
Ich
sehe meine, aber deine nicht.
I see mine but not yours.
Example:
das Kleid (= dress) possessed object => neutral,
singular
Du
kannst mit deinem hingehen.
You can go with yours.
Example:
die Häuser (= house) possessed object =>
neutral, plural
Ich
sehe meine, aber deine nicht.
I see mine but not yours.