勉強を続けることが大切です。

N5 勉強 benkyou study, learning N5 大切 taisetsu important, precious, valuable

N4 勉 ben / tsuto.meru exertion, endeavour, encourage N4 強 kyou, gou / tsuyo.i, tsuyo.maru, tsuyo.meru, shi.iru, kowa.i strong, fort, fuerte N3 続 zoku, shoku, kou, kyou / tsuzu.ku, tsuzu.keru, tsugu.nai continue, series, sequel N5 大 dai, tai / oo-, oo.kii, -oo.ini large, big, grand N4 切 setsu, sai / ki.ru, -ki.ru, ki.ri, -ki.ri, -gi.ri, ki.reru, -ki.reru, ki.re, -ki.re, -gi.re cut, cutoff, be sharp

N4 〜続ける tsuzukeru Indicates continuation of an action over time, attaches to the verb stem, means continue doing N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements