"Look, Isabel! You do not have boots on!"
Translation:Seall, Iseabail! Chan eil bòtannan ort!
'ort' = on you, 'orm' = on me
Prepositions combine with personal pronouns. A good reference table is on the Scottish Gaelic Grammar Wiki at https://gaelicgrammar.org/~gaelic/mediawiki/index.php/Prepositional_Inflection
Thank you. Very helpful Since asking about this point I also found some information via https://www.omniglot.com/language/celtic/pronouns/gaelic.php which I also found helpful.