In an article published in the early sixties, M. Bogaert shows certain groups of verbs which in Biblical Hebrew (as well as in other north-western Semitic languages) may govern verbal suffixes instead of ‘dative’prepositions. This phenomenon is called by him ‘non-accusative verbal suffixes’.
In his article ‘'et = ’el “to, towards” in Biblical Hebrew', S. Izre'el argues that the particle 'et sometimes occurs in contexts that elsewhere require the prepositions 'el ‘to, towards’ or 'im ‘with’. He concludes thatwith 'et is a preposition which in Modern Hebrew may be rendered by 'im or 'el, similar to the Hebrew preposition bƏ- which is sometimes translated into English as ‘in’ and at other times as ‘at’, according to the context.