Hi,
In the book named "Longman English Grammar" by L. G. Alexander in the section 8 named "Prepositions, Adverb particles, and Phrasal verbs," I saw this sentence. What does 'case' mean to you?
English uses more prepositions than most other European languages, partly because 'case' [>1.1] is no longer expressed by noun endings.
Also, what does 'adverb particle' mean?