什么时候成...了
[主语/条件] + 什么时候成 + [动词/短语] + 了
Core sentence pattern in modern spoken Mandarin.
[Authentic Cinema Evidence Base]
(3 clips)
00:02
00:03
(胡羞 你疯了) ── Previous context
“Since when is this your lane? Bullying my tenant in broad daylight—”
00:03
(什么朋友 叫什么名字) ── Previous context
“Cao Jinchuan. Since when is Cao Jinchuan your friend?”