In his analysis , English prepositions have the ability to assign objective case .
In his book , Connectedness and Binary Branching , Richard Kayne proposed an empty preposition being the source of the double - object construction .
In Richard Kayne 's analysis , English prepositions have the ability to assign objective case .
In his book , Connectedness and Binary Branching , Richard Kayne proposed an empty preposition being the source of the double - object construction .