什么是be,been,being?请教我吧 谢谢

什么是be,been,being?请教我吧 谢谢 什么是分词,分词的作用?比如be,的现在分词being过去分词been,那么过去分词和过去式was又有什么不同呢?我什么都不懂,他们为什么存在呢?最重要分词是什么? 【急!】请教几道英语语法题..1.The research requires more money than_____.A have been put in B.has been put in C.being put in D.to be put in但是它的解析我完全没有明白,特别是那个more than.2.____ if I had arrived yesterday w we ____(be) friends for the whole ten years答案是have been 我觉得应该是have been being不太明白 在英语中,什么是抽象概念?Most of what has been said about the Smiths ________ also true of the Johnsons.A.are B.is C.being D.to be我选的是A.解析里说该句what has been said about the Smiths指抽象概念, being done / be being done / have been doing / having been done 有没有谁可以帮我好好分析一下它们的用法还有各自代表的意思,还有它们的区别.麻烦请写出例句,举例说明.谢谢. 过去分词e,been,being的用法告诉我吧过去分词be,been,being的用法告诉我吧 be,being,been 区别这三个词我不怎么分得了,请帮我分析一下他们的用法,请具体一点, claimed（ ）at yeaterday's party.A.having been badly treatedB.to have been badly treatedC.being treated badlyD.to be treated badly但我选C,求讲解.claimed不是过去式么?为什么还能用现在完成时to have been? BE BEING DOING/BE BEING DONE/HAVE BEEN DONE哪个是进行时的被动语态啊求详解 All that can be eaten _______ eaten up. A are being B has been C had been D have been The machine has been made easier for it __________.A to operate.B.operated.C.being operated.D.To be operated为什么是D呢?.be+ adj.+to do.并且主动表被动, 单选( ) here on time next timeA{be} B{being} C{to be} D{been} 英语翻译我翻译出来感觉不对 :is being been live our civilization cannot be thought of as---in a short period of time A having been created B being created 帮我分析一下 英语的“be(is,are,been,being)” 在不同情况下的不同用法英语的“be(is,are,was,ware,been,being)” 在不同情况下的不同用法除了被动语态、过去式我不会搞杂,其他常常乱套.been 怎么用?用在什么样的句 请教英语翻译---- I thought that with it being icy and there not being anybody about he'd be safe. The meeting being over,all of us went home.为什么是being over,而不是been over ,别告诉我是非谓语,我知道,非谓语不是主动用现分,而被动用过分,狠明显这里meeting 与over是被动啊