YOU SAID:

so he could work with me here

INTO JAPANESE

彼はここで私と一緒に仕事ができるので

BACK INTO ENGLISH

So he could work with me here

INTO JAPANESE

だから彼はここで私と一緒に仕事ができます。

BACK INTO ENGLISH

So he let work with me here.

INTO JAPANESE

彼はここで私と一緒に仕事をしましょう。

BACK INTO ENGLISH

He'll work with me here.

INTO JAPANESE

彼はここで私と一緒に動作します。

BACK INTO ENGLISH

He works with me here.

INTO JAPANESE

彼はここで私と一緒に動作します。

BACK INTO ENGLISH

He works with me here.