The pen is used by me.和The pen that is used by me is very expensive.区别?第二句是因为有了从句才加的that吗?为什么不能说The pen that used by me is very expensive.

英语 This is the pen used by David.This pen was used by David.这两句有什么差别? this is the pen used by David能不能is 放在used 前面,为什么 this is the pen used by Dick?前面的干吗用this isthe pen is used by Dick 不就好了吗this is pen 这是笔加上不是很怪吗? 关于被动语态 the pen was used by david the pen is used by david请问两者的动词时态是不是只看is和was来分辨呢?used在里面是形容词吗? it is a pen ,but sometimes it is used as ( ) knife by him.中间填the还是a? The pen is used by me.和The pen that is used by me is very expensive.区别?第二句是因为有了从句才加的that吗?为什么不能说The pen that used by me is very expensive. this is the pen used by me` 改成从句 这个过去分词谢谢the girl having long hair is mary ` the girl who has long hair is mary.这是写在分次需要用被动语态么？ the key is used by people for opening the door 】 what is the frequency used by the CDMA network? What is a pen used for? .I’m used to (walk) by the lake after supper English is widely used by traveler all over the world It is used in informal situations.The greeting is often used by younger people.是什么意思 the pen bought by her is mane in china 可否改为the pen she bought is made in china? A brush pen is made of ____and____and is used for ____.The pan is made of ___and is used for ____1.A brush pen is made of ____and____and is used for ____.2.The pan is made of ____and is used for ____.3.A stamp is made of ____and is used for ____.4.A The film made by disney show all over the world A is used to show B used to be shownC is used to showing D used to showing The pen bought by her is made in china 划分一下成分The pen bought by her is made in china 能划分的都划分一下 The telephone ____talking to people far away.A.used by B.is used for B.is used to D.used to