be sung 被唱出
have sung 已经唱过
sung by 由……演唱
sung loudly 大声唱
sung beautifully 唱得优美
well-sung 唱得好
A: Have you sung at the school concert?
A：你在学校音乐会上唱过歌吗？
B: Yes, I have sung a popular song.
B：是的，我唱过一首流行歌曲。
1) sing 的过去分词形式
2) 用于被动语态表示“被唱”
3) 形容歌曲或演唱已完成状态
1. sing的过去分词，表示已完成的唱歌动作
2. 用于被动语态中表示被演唱
verb (past participle of "sing")
1. Used to indicate that someone has performed a song with their voice.
Synonym: performed, chanted