现在九点了。
It is nine o'clock now.
completed action / change particle
现在九点了。
It is nine o'clock now.
对不起,我来了。
Sorry, I am here now.
我看见了你的朋友。
I saw your friend.
Read 了 aloud, cover the English meaning and try to recall it. Then test your recognition, tones and listening in HSK Duels.
Open Chinese practice