YOU SAID:

i was very liked in first grade

INTO JAPANESE

私は一年生でとても好きでした

BACK INTO ENGLISH

I liked it very much in the first year

INTO JAPANESE

初年度はとても気に入りました

BACK INTO ENGLISH

I really liked the first year

INTO JAPANESE

私は最初の年が本当に好きでした

BACK INTO ENGLISH

I really liked the first year