YOU SAID:

He is doing it now I think

INTO JAPANESE

今度は私はそれをやっています。

BACK INTO ENGLISH

Now I am doing it.

INTO JAPANESE

今それをやっています。

BACK INTO ENGLISH

It is doing now.

INTO JAPANESE

それは今やっています。

BACK INTO ENGLISH

It is now doing.

INTO JAPANESE

それは今やっています。

BACK INTO ENGLISH

It is now doing.