potential verb
A2Meaning: State what someone can or cannot do.
Build it: 話す→話せる; 読む→読める; 食べる→食べられる; する→できる
When to use it: The ability target commonly takes が, though を also occurs in modern usage.
日本語が少し話せます。
Reading help · よみかた
にほんごが すこし はなせます。
I can speak a little Japanese.
Watch out: Do not attach できます directly to a dictionary-form verb.