了,是吧

..., right?

→ 了
phrase Rare #28,514
..., right? Used to confirm a newly noticed change, action, or state. 了 marks the change or completed action, while 是吧 asks for agreement.
CH: 你累了,是吧?
EN: You're tired, right?

你的身体开始了,是吧

Your body is starting to feel warm, right?

— 蝙蝠 (2009)

你又怀孕了,是吧

You’re pregnant again, aren’t you?!

— 铁皮鼓 (1979)

你也看见了,是吧

You saw it too, didn’t you?

— 死亡录像 (2007)