This is the 29th most frequent Japanese word.
れる
"れる" is a passive or potential auxiliary verb in Japanese, indicating that something is done to the subject or the ability to do something.
れる is applied to convey the passive voice, showing that the object (the watch) underwent the action (making) performed by someone.
この時計はあの店で作られた。
This watch was made at that store.
れる is used here to form the passive voice, indicating that the subject (I) is affected by the action (handing a gift). This emphasizes the perspective of the subject on the received action.
私は友達にプレゼントを渡されました。
I was handed a gift by a friend.
れる is utilized to denote the passive form, highlighting the action of receiving praise (褒める - to praise) as experienced by the teacher.