Paper can be made from wood.为什么要加BE听人讲BE原形不是will,would,shall,must,等助动词后面才加的吗?但这里为什么要用BE原形?在被动语态情况下，是不是情态动词后面，都要用原形？

what can waste paper roll be made into是什么意思 paper can be recycled是什么意思 一些be made 的词组（填介词）1.Some used cans can be made_______ houses.2.Paper is made ____ trees.3.This coat is made _____ silk. Reference to this paper should be made as follows: Did paper be made from wood 有语法错误吗? be made of和be made from哪一个看得出原材料? 例：Newspaper is made ___paper,paper is made ____ wood This can be used to make paper.This can be used_____ _____ paper. This can be used to mak paper.tis can be used___ ___ paper.同义句转换 Wood can be made into paper .同义句转换Paper iw made of wood .（不是看不出原材料的用from吗?）Paper is made of wood .（不是看不出原材料的用from吗？）考试的时候怎么辨别，这道题用from对吗？ Wood can be made-----paper and many other kinds of things.A.from B.of C.into D.up of 请详解. 用be made from造句,尽量多....be made from...1.The paper is made from wood.像这样的. The paper is made of wood.为什么?be made ofrom 用法? Bamboo can be ________（make） into paper.怎么填 The cleaned pulp is mixed with new wood fibers to be made into paper again翻译 21106— A:well,i think my essay can't be more awful.B:not likely,i haven't made any comments on i21106—A:well,i think my essay can't be more awful.B:not likely,i haven't made any comments on it.why are you so unconfident with your paper?3712想问 The flower is made (.) paper we should consider __use can __such books.Ahow.be made of Bwhat,be made ofC what ,be made ofDwhat .be made of Paper can be made from wood.为什么要加BE听人讲BE原形不是will,would,shall,must,等助动词后面才加的吗?但这里为什么要用BE原形?在被动语态情况下，是不是情态动词后面，都要用原形？