ここに座ってもいいです。

N5 ここ koko here N5 座ってもいいです suwatte mo ii desu may I sit

N3 座 za / suwa.ru squat, seat, cushion

N5 〜てもいい te mo ii Indicates permission, equivalent to may do, also expresses acceptance depending on context N5 〜です desu Used at the end of a sentence, polite affirmative form, means to be depending on context N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜で de Indicates where an action happens, means used, tool, cause, or material depending on context N5 〜も mo Means also, adds another similar item, often replaces particles such as wa ga or o