Okinawan and Miyako/Contrastive Grammar

Differences between Okinawan and Miyako

There are three locatives in Okinawan and one in Miyako.
There are two allatives in Ikema and one in Okinawan.
There is an accusative in Miyako but not in Okinawan.
There is an associative in Okinawan but not in Miyako.
Medial verbs appear frequently in Okinawan (indicating simultaneous or sequential verbs), but do not seem to appear in Ikema Miyako (though they do in Irabu).
It seems that pronouns (in particular, second person singular) are dropped more often in Miyako than in Okinawan.
When discussing when things happen (e.g. I went when I was 10), Miyako has a couple of examples that have a word meaning time, but Okinawan does not seem to have anything equivalent.
In Okinawan, progressive is expressed with a suffix on the verb. In Miyako, a converb plus the continuous expresses the same idea.

(ryu) しぇんしぇいたあしいくん → (mvi) ならーすびーっみんかいいでぃい
(ryu) しぇんしぇいたあし<n><pl><all> いくん<v><npst> → (mvi) ならーすびーっみんかい<n><pl><all> いでぃい<v><npst>

(ryu) ぴいじゃあやんんじゃん → (mvi) ひんじゃうどぅみーたい
(ryu) ぴいじゃあや<n><foc> んんじゃん<v><pst> → (mvi) ひんじゃうどぅ <n><acc><foc> みーたい<v><pst>

(ryu) やあがかき → (mvi) かきる
(ryu) やあが<pprn><p2><sg><nom> かき<v><imp> → (mvi) かきる<v><imp>

(ryu) あっきんじゃん → (mvi) あいきーゆー
(ryu) あっくん<v><prog> → (mvi) あいきー <v><cvb_abs> ゆー<cont>

(ryu) うりやたかはん → (mvi) うらあたかだいむぬ
(ryu) うりや<pprn><p3><sg><top> たかはん<adj><vz> → (mvi) うらあ<pprn><p3><sg><top1> たかだいむぬ<adj><nz>