私はその講義に出席すべきだったのだが出席しなかった。

Sentence Analyzer

その 講義 出席す べき だった 出席しなかった

English Translation

I ought to have attended the lecture but I didn't.

Furigana

(わたし)はその講義(こうぎ)出席(しゅっせき)すべきだったのだが出席(しゅっせき)しなかった。

Romanji

Watashi wa sono kōgi ni shussekisu beki datta no da ga shussekishinakatta.

Words

(わたし、わたくし)
I; me; private affairs; personal matter; secrecy; selfishness
()
topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis
其の (その)
that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...
講義 (こうぎ)
lecture
()
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
出席 (しゅっせき)
attendance; presence; appearance; to attend; to be present; to appear
可し (べし)
shall; should; must
()
be; is; indicates past or completed action; indicates light imperative
()
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

Kanji

Readings: シ、 わたくし、 わたし
Meanings: private, I, me
Reading: コウ
Meanings: lecture, club, association
Reading: 
Meanings: righteousness, justice, morality, honor, loyalty, meaning
Readings: シュツ、 スイ、 で.る、 -で、 だ.す、 -だ.す、 い.でる、 い.だす
Meanings: exit, leave, go out, come out, put out, protrude
Readings: セキ、 むしろ
Meanings: seat, mat, occasion, place