有沒有

yǒuméiyǒu ㄧㄡˇ ㄇㄟˊ ㄧㄡˇ

1. • Do (you, they etc) have ...?

     before a noun

2. • Is there a ...?
3. • Did (you, they etc) (verb, infinitive)?

     before a verb

4. • Have (you, they etc) (verb, past participle)?