For this case the sentence must be written in simple past.
Therefore, the structure of the prayer should be given by:
Subject + main verb in the past.
The sentence written correctly in English is given by:
I started at ten o'clock
The translation is Spanish is:
Yo empecé a las diez en punto
Answer:
2) empecé
Yo empecé a las diez en punto
Is that a question? if it is it needs more information for someone to answer it
