Question

I am going to talk about how to keep healthy是什么

Answer 1

I am going to talk about how to keep healthy. 是一个一般将来时态的句子。how to keep healthy 是疑问词how加上动词不定式短语to keep healthy 起到一个名词性从句的作用，在本句话中作介词about 的宾语。汉语意思是：我将谈一谈如何保持健康。

Answer 2

我将要去讨论怎样保持健康，翻译成就是这个样子

Answer 3

I'm going to talk about how to keep healthy.

我打算谈论如何保持健康。