I need a pen to do my homework.请问不定式在句中做定语还是做状语.如何区别?

Well,I really want to improve my english and I do really need a pen friend or an e-mail friend.I'm longing to go to UK to be the postgraduate students for LLM,and I need someone to be the guide .and I'm glad to share sth with him or her.This is my em I need a pen to write 和 I need a pen to write with那句对?为什麽? Do you have any pens?I need a pen to write _______ 我知道要用with但为什么呢? I need a pen to do my homework.请问不定式在句中做定语还是做状语.如何区别? Do I need to bring an umbrella?I'm afraid you____.a.need b,do c.will d.not what do you need to tell about yourself if you want to find a pen pal I need a pen 对 a pen 提问 选择正确答案 1.You( )to the meeting this afternoon if you have something inmortant to do.A.needn't to come B.don't need come C.don't need coming D.needn't come2.Where is my pen? I ( ) it.A.might lose B.would have lost C.should have lost D.m I need a pen to write 和 I need a pen to write with那句对? 为什麽?说说原因 I need( )some shopping.(选择题) A.do B.to do Do I need to bring an umbrella?I'm afraid you____.a.need b,do c.will d.not后面呢 Do kids need pen pals?Let’s listen to Andrew and his mother.Andrew:I need pen pals.I am theDo kids need pen pals?Let’s listen to Andrew and his mother.Andrew:I need pen pals.I am the only boy at home.I have no sisters or brothers.My parents are b Okay, and I need a pen to fill out the address.是什么意思? do i need （）（see）a doctor,有need to do sth 有need do sth 选择哪个呢? 用need,i,to,new,sweater,do,sports,a 造句 I'm glad to get a letter from my pen pal同义句转换I'm glad____ ____my pen pal what i need to do what need i do? Do you have a pen I want to ( ) a letter to my parents