ma
明天他来吗？
Míngtiān tā lái ma?
Will he come tomorrow?
你找我有事吗？
Nǐ zhǎo wǒ yǒu shì ma?
Are you looking for me for something?
你这样做对得朋友吗？
Nǐ zhèyàng zuò duì de qǐ péngyou ma?
Are you being fair to your friends by doing this?