YOU SAID:
I should be working on my job.
INTO JAPANESE
私は、私の仕事に取り組んでください。
BACK INTO ENGLISH
I keep working on my work.
INTO JAPANESE
車を修理してた
BACK INTO ENGLISH
I was working on my car.
INTO JAPANESE
車を修理してた
BACK INTO ENGLISH
I was working on my car.
That didn't even make that much sense in English.