mother wanted to be a good provider ,a role she has been shouldering since her marriage to fathe...

mother wanted to be a good provider ,a role she has been shouldering since her marriage to fathe...
mother wanted to be a good provider ,a role she has been shouldering since her marriage to father .后面那句化是从句吗?如果是怎么没引导词,如果不是他们怎么都是完整句子