英语句子There have been changes here.中have been 后不是应该是动词而且是过去分词吗

英语句子There have been changes here.中have been 后不是应该是动词而且是过去分词吗 英语中的 have been 比如说 there have been fewer accidents recently.中的have been I have been there.这句句子对吗?为什么? have been there 中文翻译 have been there 英语句子中各种时态分别有些什么特定词,比如比如 现在完成时是there be现在完成进行是there have been 初二英语改写句子!急!在线等!--These farmers have been to the Uinted States.--Really?When[ ] there?A did they goB have they gone 求助,用There have been开头造一个句子.内容如题,句子不要太复杂 have been there 还是 have been to there Have you been in there?写成Have you been there? i have always been there i have never been there They have a____ been there There have been 一般疑问句 have you brother been there? There have been great changes in our city since 1978.have been 后加的不是动词过去分词么这个句子的中have been 的用法 这个英语虚拟语气的句子合语法吗?If there hadn’t been much rain in spring,we would have a good harvest now. I have been there,have been 是have been in还是have been to的缩写? 请帮忙分析解释一下这两个英语句子.There's an element there about competition then,isn't there?Is it if the railways hadn't been nationalized,they would simply have disappeared?