来自刘宇的问题
howmanyballpensarethereinthepencil-box?为什么中间要加arethere?
howmanyballpensarethereinthepencil-box?为什么中间要加arethere?


howmanyballpensarethereinthepencil-box?为什么中间要加arethere?
howmanyballpensarethereinthepencil-box?为什么中间要加arethere?
做谓语+主语
陈述句是thereare(多少个)balpensinthepencil-box.
Howmany(特殊疑问次)+陈述句.
所以howmanyballpensarethereinthepencil-box?