A useful sentence for every beginner: 我还在学中文。 Wǒ hái zài xué Zhōngwén. I’m still learning Chinese. Try one longer sentence: 我还在学中文,所以我说得比较慢。 Wǒ hái zài xué Zhōngwén, suǒyǐ wǒ shuō de bǐjiào màn. I’m still learning Chinese, so I speak a little slowly. Or keep it simple: 我还在学中文。 Reply to one person with: 你呢?— And you? If you want a correction, add: 请帮我改一下。