YOU SAID:

I think I am being cut in half by a saw.

INTO JAPANESE

私はのこぎりで半分にカットされていると思います。

BACK INTO ENGLISH

I think I saw have been cut in half.

INTO JAPANESE

私は見たと思う半分にカットされています。

BACK INTO ENGLISH

Has been cut in half and I think.

INTO JAPANESE

半分と私の考えでカットされています。

BACK INTO ENGLISH

Half has been cut in my opinion.

INTO JAPANESE

半分は、私の意見でカットされています。

BACK INTO ENGLISH

Half has been cut in my opinion.