YOU SAID:

the pencil falls on the floor dave picks it up and says "not again"

INTO JAPANESE

鉛筆が床に落ちたデイブがそれを拾い上げて「二度としない」と言う

BACK INTO ENGLISH

Dave, whose pencil fell to the floor, picked it up and said, "Never again."

INTO JAPANESE

鉛筆が床に落ちたデイブはそれを手に取り、「二度と」と言いました。

BACK INTO ENGLISH

Dave, whose pencil fell to the floor, picked it up and said, "Never again."