The usage of adjective possessive pronoun plus noun eg:1.it happened prior to my arrival.2.after his arrival ,we have a party. What are the components of "my arrival" and "his arrival" in these two sentences? How to translate them? Please give me some similar examples. How can I use this expression? After he arrived, we have a party? What's the difference between after his arrival, we have a party?

The usage of adjective possessive pronoun plus noun eg:1.it happened prior to my arrival.2.after his arrival ,we have a party. What are the components of "my arrival" and "his arrival" in these two sentences? How to translate them? Please give me some similar examples. How can I use this expression? After he arrived, we have a party? What's the difference between after his arrival, we have a party?

As soon as I got to the airport, the plane was taking off. 2) his unexpected arrival made us very surprising