YOU SAID:

i ate my dog when i was 11 years old

INTO JAPANESE

私は11歳のときに犬を食べました

BACK INTO ENGLISH

i ate a dog when i was 11

INTO JAPANESE

11歳の時に犬を食べた

BACK INTO ENGLISH

I ate a dog when I was 11

INTO JAPANESE

11歳の時に犬を食べた

BACK INTO ENGLISH

I ate a dog when I was 11