YOU SAID:

Have you seen my pants, they have gone missing.

INTO JAPANESE

私のパンツを見ている彼らは行方不明になっています。

BACK INTO ENGLISH

They have seen my pants has missing for now.

INTO JAPANESE

彼らは私のズボンに今のところ不足しているを見ています。

BACK INTO ENGLISH

Missing in my pants right now they are looking at.

INTO JAPANESE

今私のズボンに欠けている彼らを見ています。

BACK INTO ENGLISH

Looking at them now lacking in my pants.

INTO JAPANESE

今私のズボンに欠けているそれらを見てください。

BACK INTO ENGLISH

Look at them now lacking in my pants.

INTO JAPANESE

今私のズボンに欠けているそれらを見てください。

BACK INTO ENGLISH

Look at them now lacking in my pants.