私が入ってきた時、クニ子はすでに食べ終えていた。

Kuniko had already eaten when I came in.

私(わたし)が入(はい)ってきた時(とき)、クニ子(こ)はすでに食(たお)べ終()えていた。

Watashi ga haittekita toki, Kuniko wa sudeni tabeoeteita.

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

が (が)

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

入る (いる)

to get in; to go in; to come in; to flow into; to set; to set in

時 (とき)

time; hour; moment; occasion; case; chance; opportunity; season; the times; the age; the day; tense

は (は)

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

既に (すでに、すんでに)

already; too late

食べる (たべる)

to eat; to live on (e.g. a salary); to live off; to subsist on

Readings: シ、わたくし、わたし

Meanings: private, I, me

Readings: ニュウ、ジュ、い.る、 -い.る、 -い.り、い.れる、 -い.れ、はい.る

Meanings: enter, insert

Readings: ジ、とき、 -どき

Meanings: time, hour

Readings: シ、ス、ツ、こ、 -こ、ね

Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac

Readings: ショク、ジキ、く.う、く.らう、た.べる、は.む

Meanings: eat, food

Readings: シュウ、お.わる、 -お.わる、おわ.る、お.える、つい、つい.に

Meanings: end, finish