I am wirting to request more information about the tour to london.这个句子的解析这个 be donging to do 的句型,我感觉怪怪的!

I am wirting to request more information about the tour to london.这个句子的解析这个 be donging to do 的句型,我感觉怪怪的! 英语翻译Dear Colleagues:Ms.*** requested a letter of reference from me to support her application for graduate studies at your university.As her research adviser when she was a graduate student in my institute,I am pleased to comply with her requ I am addicted to I am going to Who Am I To I am ready to Am I allowed to. I am everything to i am used to.. I am belong to I am belong to I.am.wantting.to. i am to pray i am to pray I am trying to i am to win 改错题He wrote a letter to his father last night,but I don't know whether he has finished it答案是将wrote改为was wirting.为什么呀 how am i to answer how am i to answer