"what are you going to do"句型转换可以有以下几种方式：

使用同义句

What are you planning to do？

What do you intend to do？

What are you about to do？

What will you do？

使用现在进行时表示将来

I am going to do that.

She is planning to travel to Europe next month.

使用将来时态的其他表达

I will do that tomorrow.

They are going to meet at the restaurant at 6 pm.

使用疑问词+不定式

What do you want to do？

What do you plan to do？

What do you decide to do？

这些转换方式可以帮助你以不同的方式表达将来要做的动作，根据具体的语境和需要选择合适的表达。