是陈述句语序
what is in the box? 是陈述句语序,不是所有的特殊疑问句都是一般疑问句语序
What 在这里做主语,你可以把what 换成具体东西。比如 A book is in the box. 这是陈述句。对主语A book 进行提问,What 后用陈述句语序。
特殊疑问句有两种语序
1.如疑问词作主语或主语的定语,即对主语或主语的定语提问,其语序是陈述句的语序:疑问词(+主语)+谓语动词+其他成分。如:
Who is singing in the room﹖
whose bike is broken﹖
2.如疑问词作其他成分,即对其他成分提问,其语序是:疑问词+一般疑问句语序? 如:
What class are you in﹖
What does she look like﹖
Where are you from﹖
What time does he get up every morning﹖
How do you know﹖
陈述语序是主语+谓语,这里what 是主语,所以这样写。