this one must have been in the possesion of a private collec

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/29 07:19:27

this one must have been in the possesion of a private collector请问这个句子成分怎么划分?特别是have been 这块!

this one 主语
must have been 系动词
in the possession of a private collector表语
再问： must have been是被动？
再答：不是，是完成时
再答： be 动词的完成时
再答： have been
再答： must 是情态动词
再问： be动词的完成时还怎么理解呢
再答：完成时态，必须与have 或者have的其他形式一起用才能构成完成时态。

has /have /had been
再问：我知道这个，可是时态构成后意思不是该完整了吗，这个不完整啊
再答：什么不完整？我没懂你要问的意思
再问：我知道了哈哈，be in possession of固定短语！谢谢你的不厌其烦啊
再答： in the possession of 是介词短语做的表语

this one must have been in the possesion of a private collec this one must have been in the possession of a private colle Is_in this factory,_is in the possesion of Mr.Smith_several This is one of the best books ___. A. that have ever been wr This is one of the best films _______. A. that have been sho it is one of the best films_.A.which have been made in China 英语翻译In the face of this situation,we all must have a reactiv The wallet must have been found by one of the villagers.(改为主 The wallet must have been found by one of the villagers改为主动句 Sam was sure that the wallet must have been found by one of this is one of the best films that have been shown this year This is one of the best movies ___ have been shown this year