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

i want to give you several hangy tips for buying computer 中为什么 buying要用ing形式? I want you to buying a pen for me.这句话错在哪? i want to you I want to you? want i to you i want to do want you want I'll leave buying the tickets to you为什么要用buying I want __a map of China.A.buy B.is buying C to buy D.am buying I want you,but i want you to want me I want _____some ice creams.A.to buying B.to buy C.buy I want you to want me 中文翻译 I Want You To Want Me 歌词 i want you to stay I want to kiss you i want to fuck you I want to know you. I want to ask you I want to see you.