介護保険による介護サービスを利用するには、「介護が必要である」と認定される必要があります（要介護認定）。

Sentence Analyzer

English Translation

To make use of the nursing service provided by nurse-care insurance the necessity of nursing has to be recognized (nurse-care requirement authorization).

Furigana

介護(かいご)保険(ほけん)による介護(かいご)サービスを利用(りよう)するには、「介護(かいご)が必要(ひつよう)である」と認定(にんてい)される必要(ひつよう)があります（要(よう)介護(かいご)認定(にんてい)）。

Romanji

Kaigo hoken niyoru kaigo sa-bisu o riyōsuru ni wa," kaigo ga hitsuyō de aru" to ninteisareru hitsuyō ga arimasu yō kaigo nintei.

Words

介護 (かいご)

nursing; care; caregiving; caring

保険 (ほけん)

insurance; guarantee

に依る (による)

by means of; due to; because of; according to

サービス (サービス、サーヴィス)

service; help; assistance; care; concern; discount; freebie; free gift; service; serve; service; servicing; (product) maintenance

を (を)

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

利用 (りよう)

use; utilization; utilisation; application

に (に)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

必要 (ひつよう)

necessary; needed; essential; indispensable; necessity; need; requirement

だ (だ)

be; is; indicates past or completed action; indicates light imperative

或 (ある)

a certain ...; some ...

と (と)

if; when; and; with; particle used for quoting (with speech, thoughts, etc.); quoting particle; promoted pawn; indicates question (sentence end)