我的亲戚定期教我中文。
My relative is teaching me Chinese regularly.

我自己也在自学。
I also learn on my own.

怎樣我學中文

我中文學的怎樣？

我的親戚定期在教我中文定期。
My relative is teaching me Chinese regularly.

我還有自己在學習在我的自己。
I also learn on my own.

怎樣我學中文

我的中文學得怎樣?

我的親戚定期教我中文。
My relative is teaching me Chinese regularly.

我還有自己在學。
I also learn on my own.

怎樣我學中文 我怎样学中文 always put the subject at the beginning of a sentence

我的親戚在教我中文定期。定期教我
My relative is teaching me Chinese regularly.

我還有學習在我的自己。learn on my own=自学 我也有自学
I also learn on my own.

怎樣我學中文

我的親戚在教我中文定期。
My relative is teaching me Chinese regularly.

我的亲戚在定期教我中文。  “定期”当状语，修饰“教我中文”，要在“在”的后面。

我還有學習在我的自己。
I also learn on my own.

我还会自学。

－一－

I noticed that your translation is very direct,for example "learn on my own ", actually we have a vocabulary to describe this, it's "自学". So I suggest you to improve your vocabulary, wish you have fun with studying Chinese haha,加油