YOU SAID:

I deduced your mom last night in the shower

INTO JAPANESE

私は昨夜シャワーであなたのお母さんを推測した

BACK INTO ENGLISH

i guessed your mother in the shower last night

INTO JAPANESE

私は昨夜シャワーであなたのお母さんを推測しました

BACK INTO ENGLISH

I guessed your mother in the shower last night.

INTO JAPANESE

私は昨夜シャワーを浴びてあなたのお母さんを推測しました。

BACK INTO ENGLISH

I guessed your mother took a shower last night.

INTO JAPANESE

昨夜、あなたのお母さんがシャワーを浴びたのでしょう。

BACK INTO ENGLISH

Your mother took a shower last night, didn't she?

INTO JAPANESE

あなたのお母さんは昨夜シャワーを浴びたのですね。

BACK INTO ENGLISH

Your mother took a shower last night, didn't she?