I want you to buying a pen for me.这句话错在哪?

I want you to buying a pen for me.这句话错在哪? I really want you to explain me the whole thing.这句话哪错了 英语翻译I need to ask you,for me to keep buying from you have yo I know you have a new pen.Please show me it这句话哪里错了 i want to know when are you leaving for shanghai.这句话哪错了 i want to give you several hangy tips for buying computer 中为 Simon buys a pen for Millie. I want to buy a pen for her,too You go,I do not want to talk,you to busy for you,leave me a 1.She is buying things for me.I'm going to have a birthday p I can do for you if you want me to do.A.everything B.anythin I want to use your pen.Could you p_________ in to me?应该填什么 I'd like buying a horse mask.这句话错在