Jawaban:

my father had eaten before i worked

Penjelasan:

The formula for the past perfect tense is had + [past participle It doesn't matter if the subject is singular or plural the formula doesn't change.

example of Past perfect tense:

● the baby had cried before the father came

● i had lived in london, before i move to paris

● she had boiled when you went to kitchen

the formula of Past perfect tense:

(+) Subject + have + Verb 3

(-) Subject + had + not + verb 3

(?) Had + subject + verb 3

i hope this helps you, and good luck..