私は少し日本語ができます。

N5 私 watashi I N5 少し sukoshi a little N5 日本語 nihongo Japanese N5 できます dekimasu can / be able to

N4 私 shi / watakushi, watashi private, I, me N4 少 shou / suku.nai, suko.shi few, little, un petit peu N5 日 nichi, jitsu / hi, -bi, -ka day, sun, Japan N5 本 hon / moto book, present, main N5 語 go / kata.ru, kata.rau word, speech, language

N5 〜ます masu Used at the end of verbs, polite present or future form, makes the sentence more polite N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information