He came into the room laughing.屬於何種句型?請教,謝謝!?

He came into the room----laughing.
Noun clause pattern:-
subject+verb+preposition+object of preposition;
eg:-
He----subj
came ---verb
into the room-----preposition phrase;
laughing------obj of preposition---- also as a gerund as a verbal noun

He came into the room laughing.
這是簡單句（simple sentence）
主詞＋述部＋修飾語
laughing是修飾述部的「分詞」，屬副詞性質。與came into the room同時發生。
＝他笑著走進房間。

He came into the room laughing.屬於何種句型?請教,謝謝!?

☆ ：他笑着的走進房間。
☆☆：He came........ ( 簡單過去式, Simple Past Tense )