Wô jiao Yves;     我叫 Yves

wô zhu zài Lille;    我住在 Lille

wô cong yi yué xue zhongwén.    我從一月學中文

我中文是從一月份開始學的

(If you mean that you started learning Chinese in January)

BUT,

If you meant that you have learnt Chinese for a month then it is:

我中文已經學了一個月

＊I think you should say it this way/ My opiniones