英语翻译Sorry to have kept you waiting,Saturday morning l am up,

英语翻译Sorry to have kept you waiting,Saturday morning l am up, i am sorry to have kept you waiting. l'm sorry to have kept you waiting. l'm sorry to have kept you waiting I am sorry to have you kept you waiting.句中不定式作什么成分 i am sorry to have kept you waiting 中的to 后面是什么成分啊? I am t__ sorry I have kept you waiting long. I am sorry to have kept you waiting.---Oh,not at all.I__here --i am sorry to have kept you waiting long ---never mind .i I am sorry to have kept you waiting for a long time. I am sorry to have kept you waiting.这句话的谓语是? sorry to kept you waiting