YOU SAID:

I must also warn you that he bragged about having you watched.

INTO JAPANESE

私はまた、彼があなたを見ていたことを自慢したことを警告しなければなりません。

BACK INTO ENGLISH

I must also warn you that he boasted that he was watching you.

INTO JAPANESE

私はまた、彼があなたを見ていたことを自慢したことを警告しなければなりません。

BACK INTO ENGLISH

I must also warn you that he boasted that he was watching you.