YOU SAID:

i used to read word magazine

INTO JAPANESE

私はかつて雑誌を読んでいた

BACK INTO ENGLISH

I used to read a magazine

INTO JAPANESE

私は雑誌を読んでいた

BACK INTO ENGLISH

I was reading a magazine

INTO JAPANESE

私は雑誌を読んでいました

BACK INTO ENGLISH

I was reading a magazine