この保証は3年間有効です

N5 この kono this N3 保証 hoshou guarantee, assurance, warranty N3 年間 nenkan year N3 有効 yuukou valid, effective

N1 保 ho, hou / tamo.tsu protect, guarantee, keep N1 証 shou / akashi evidence, proof, certificate N5 年 nen / toshi year, counter for years, année N5 間 kan, ken / aida, ma, ai interval, space, intervalle N4 有 yuu, u / a.ru possess, have, exist N2 効 kou / ki.ku, kikime, nara.u merit, efficacy, efficiency

N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜は wa Marks the topic of the sentence, indicates what the sentence is about, can contrast with another element, organizes main information