特殊疑问词“what”可以对哪些语法成分提问？

Question

像“when”就只能对时间状语进行提问，但“what”好像也可以对时间状语进行提问？
如what time？

Answer 1

提问表事物的主语。What is in the box?
提问表事物的宾语。What did he eat last night?
提问时间状语。What time do you get up?
提问作表语的颜色。What colour is your hair?本回答被提问者和网友采纳

Answer 2

Vicki：How was your weekend, Ron?Ron: So bad.Vicki: What’s the matter? You look not very well.Ron: Well, I hurt myself when I played soccer.Vicki: What happened? Did you fall down?Ron: Yes.