i'm sorry to have kept you waiting.句子各成分请分析下!

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• have kept you waiting.句子分析下I'm sorry to have kept you waiting 对不起让您久等了这里 have kept you waiting 是现在完成进行时?还是 keep sb doing 如果现在完成进行时,那这里 的you 做什么成分.现在完成进行的话：have been doing 我也觉得 应该是现在完成 have done
• I'm so sorry to have put you to so much trouble.划分一下这个句子的成分
• I'm so sorry to have put you to so much trouble.划分一下这个句子的成分
• i'm sorry to have kept you waiting.句子各成分请分析下!
• .I guess you should have asked what you were supposed to wear.分析一下句子的成分.如果可以,请顺便分析一下是哪一种基本句型.
• it was,i should say ,very kind of you to come all the way to help them.but you didnt have to .分析分析一下句子各成分其实我要问的不是翻译的问题，是道虚拟语气的题，后面有4个选择，didnt have to B,wouldnt have done C,mustnt have done D,mightnt have done,真确答案是A,希望有英语高手从虚拟语气的知识点来阐述为何选A，因为从书上的知识点来说我觉得wouldnt have to 更好，
• i'm sorry to have kept you waiting.句子各成分请分析下!
• i am sorry to have kept you waiting 中的to 后面是什么成分啊?
• 已知函数f（x）=ln(1+x)x．（Ⅰ）证明：若x≥1，则 f（x）≤ln2；（Ⅱ）如果对于任意x＞0，f（x）＞1+px恒成立，求p的最大值．