1、what are you doing to do?你打算做什么?这句话和what are you going to do? 是一个意思,但是这样表达的较少,用what are you going to do?比较符合英语表达习惯。
2、你可以这样说:What are you doing? : 你在干什么?(句型:现在进行时)或者:What are you going to do? 你要干什么?/你想干什么?/你打算做什么?(句型:现在进行时表示一般将来时,动作还没有发生,即将发生)这两个表达是比较常用的英语表达,也符合英语表达习惯。
3、但是,what are you doing to do? 较少用 。
4、如果你觉得有用,请采纳。