forge的過去分詞怎么變化

　　例句：

　　1、She forged a new career in the music business.

　　她在樂壇上另創一番新事業。

　　2、 Someone had forged her signature on the cheque.

　　有人在支票上偽造了她的簽名。

　　3、 Go and work for Mr Gladwell at the forge.

　　到鐵匠鋪去給格拉德威爾先生干活吧。