[143]. Two Prepositions, in, in, into, and sub, under, govern both the Accusative and the Ablative. With the Accusative they denote motion; with the Ablative, rest; as,—
in urbem, into the city;
in urbe, in the city.
1. Subter and super are also occasionally construed with the Ablative.
[144]. RELATION OF ADVERBS AND PREPOSITIONS.
1. Prepositions were originally Adverbs, and many of them still retain their adverbial meaning; as, post, afterwards; ante, previously; contrā, on the other hand, etc.
2. Conversely several words, usually adverbs, are occasionally employed as prepositions; as,—
clam, prīdiē, with the Accusative.
procul, simul, palam, with the Ablative.
3. Anástrophe. A Preposition sometimes follows its case. This is called Anástrophe; as,—