可以有以下几种用法:
一、提问时间,如:what time is it?
二、提问工作,如:What are you?
三、提问表语,如:What is that ?
四、用作宾语从句,如:
Can you tell me what this is?
五、用作主语从句,如:
What he told me just now is true.
六、用作表语从句,如:
This is what I was talking about.
七、表示问候,如:What's up?
八、用于感叹句,如:What a good boy!
九、用于提问各种颜色,如:
What coulour is your 丅V?
谢谢大家