YOU SAID:

So I'm thinking that I'll have my office basically finished by the end of the day

INTO JAPANESE

だから、私は基本的に一日の終わりまでに私のオフィスを終わらせてもらうだろうと思っています

BACK INTO ENGLISH

So I'm basically going to have my office finished by the end of the day

INTO JAPANESE

だから私は基本的に私のオフィスを一日の終わりまでに終わらせるつもりです

BACK INTO ENGLISH

So I'm basically going to finish my office by the end of the day

INTO JAPANESE

だから私は基本的に一日の終わりまでに私のオフィスを終えるつもりです

BACK INTO ENGLISH

So I'm basically going to finish my office by the end of the day