YOU SAID:

i have an onion in my opinion

INTO JAPANESE

私の意見でタマネギをあります。

BACK INTO ENGLISH

In my opinion the onion.

INTO JAPANESE

私の意見はタマネギ。

BACK INTO ENGLISH

My opinion is the onion.

INTO JAPANESE

私の意見は、タマネギです。

BACK INTO ENGLISH

My opinion is it's an onion.

INTO JAPANESE

私の意見はタマネギです。

BACK INTO ENGLISH

In my opinion it's an onion.

INTO JAPANESE

私の意見でそれはタマネギです。

BACK INTO ENGLISH

In my opinion it's an onion.