彼が在宅しているかどうか確かめなくてはならない。

Sentence Analyzer

彼 が 在宅している か どう か 確かめなくて はならない 。

English Translation

I must make sure whether he is at home or not.

Furigana

彼(かれ)が在宅(ざいたく)しているかどうか確(たし)かめなくてはならない。

Romanji

Kare ga zaitakushiteiru ka dō ka tashikamenakute wanaranai.

Words

彼 (かれ)

he; him; his; boyfriend

が (が)

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

在宅 (ざいたく)

being in; being at home

か (か)

indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way

如何 (どう、いかが、いか)

how; in what way; how about

確かめる (たしかめる)

to ascertain; to check; to make sure

ば (ば)

if ... then; when; and; why don't you...?; the more (one does something); because; since

Kanji

彼

Readings: ヒ、 かれ、 かの、 か.の

Meanings: he, that, the

在

Readings: ザイ、 あ.る

Meanings: exist, outskirts, suburbs, located in

宅

Reading: タク

Meanings: home, house, residence, our house, my husband

確

Readings: カク、 コウ、 たし.か、 たし.かめる

Meanings: assurance, firm, tight, hard, solid, confirm, clear, evident