この詩は昨夜書かれました。

この詩は昨夜書かれました。

This poem was written last night.

この詩(し)は昨夜(さくや)書(か)かれました。

Kono shi wa sakuya kakaremashita.

此の (この)

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

詩 (し)

poem; verse of poetry

は (は)

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

夕べ (ゆうべ、ゆう、さくや)

evening; last night

書く (かく)

to write; to compose; to pen; to draw; to paint

Readings: シ、うた

Meanings: poem, poetry

Reading: サク

Meanings: yesterday, previous

Readings: ヤ、よ、よる

Meanings: night, evening

Readings: ショ、か.く、 -が.き、 -がき

Meaning: write