友達が手伝ってくれたおかげで早く終わった

N5 友達 tomodachi friend N5 手 te hand N5 早く hayaku early / quickly

N5 友 yuu / tomo friend, ami, amigo N3 達 tatsu, da / -tachi accomplished, reach, arrive N4 手 shu, zu / te, te-, -te, ta- hand, main, mano N3 伝 den, ten / tsuta.waru, tsuta.eru, tsuta.u, tsuda.u, -zuta.i, tsute transmit, go along, walk along N4 早 sou, satsu / haya.i, haya, haya-, haya.maru, haya.meru, sa- early, fast, tôt N4 終 shuu / o.waru, -o.waru, owa.ru, o.eru, tsui, tsui.ni end, finish, finir

N4 〜てくれる te kureru Indicates someone does something for the speaker or close group, attaches to the te-form verb N4 〜終わる owaru Indicates complete completion of an action, attaches to the verb stem, means finish doing N5 〜てください te kudasai Polite request expression, attaches to te-form verb, equivalent to please do 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 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options