1.你想要什么 What do you want 2.我想我刚才看到了什么人。

Just now I thought I saw someone.3.你到目前为止发现了什么 What have you found so far 4.我不知道发生了什么事。I don't know what's going on.5.我来告诉你我昨晚见到了什么。Let me tell you what I saw last night.6.我记不起来自己说了什么。I can't remember what I said.7.我能帮什么忙吗 Can I be of any assistance 8.你在干什么 What are you doing