i am going to be a doctor改为一般疑问句和否定句

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i am going to be a doctor改为一般疑问句和否定句

Is you going ti be a doctor?No,I'm not.能不能在帮我一下什么?_?lilian ate goodfood yesterday改为一般疑问句和否定句Did Lilian eat good food yesterday?
No, lilian didn't.