YOU SAID:
I’m going to be at work
INTO JAPANESE
仕事に行くつもりです
BACK INTO ENGLISH
i'm going to work
INTO JAPANESE
私は仕事に行きます
BACK INTO ENGLISH
i go to work
INTO JAPANESE
私は仕事に行く
BACK INTO ENGLISH
i go to work
That didn't even make that much sense in English.