begiw

/ beɡiw /

Cases

SingularPluralWhen to use it
nominative begiw the being made firm begiwle the being made firms the plain dictionary form — the doer of the sentence
genitive begiwni the being made firm's begiwleni the being made firms' the owner — whose it is
accusative begiwni the being made firm (as the object) begiwleni the being made firms (as the object) a specific, known object — whom or what
dative begiwge to the being made firm begiwlege to the being made firms direction or recipient — to where, to whom
locative begiwde at / in the being made firm begiwlede at / in the being made firms where it is; also having — mende bar, "I have it"
ablative begiwden from the being made firm begiwleden from the being made firms where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my begiwim my being made firm begiwlerim my being made firms
your begiwiŋ your being made firm begiwleriŋ your being made firms
his / her begiwi his / her being made firm begiwleri his / her being made firms
our begiwibiz our being made firm begiwleribiz our being made firms
you all's begiwigiz you all's being made firm begiwlerigiz you all's being made firms
their begiwleri their being made firm begiwleri their being made firms

The overlap in the last rows is real, not a mistake: begiwleri can mean "his / her being made firms", "their being made firm", or "their being made firms" — context decides.