例句研读have/hasbeen过去分词(done1. I have just been required to show my passport.我刚才已经被要求出示护照了。havebeenrequired2. We have been warned of the danger before climbing the mountain.在登山前,我havebeenwarned们已经被告知了危险。3. You have been told the news several times.你已被...
been 是 be 动词的过去分词,主要有以下两种情况会用到 have/has been 1.be 动词的完成时,如 I have been a member of this club for two years. 我已经是这个俱乐部的成员两年了.(我加入俱乐部两年了.) 2.现在完成时的被动,即:have/has been + 动词的过去分词,如: The flowers have been watered this...
has been(现在完成时)后加动词的过去分词形式。过去分词（past participle）是分词的一种，属于类动词。一般动词，在词尾直接加“-ed ”。（然而要注意的是，过去分词并不是过去式）例句有work---worked---worked,visit---visited---visited。2.hsa是有的意思。例句有The school has established a successful re...
（be worried 是be +形容词，意思是忧虑。 不是has been +过去分词 结构。你要搞清楚）丹.鲁宾逊焦虑了整整一个星期。
一、从结构上区别 现在完成时：主语 + have / has + 过去分词 （肯定式） 主语+ have / has + not + 过去分词 （否定式） Have / Has + 主语 + 过去分词 （疑问式） 过去完成时：主语 + had + 过去分词 （肯定式） 主语+had + not + 过去分词 （否定式） Had + 主语 + 过去分词 ...
解析 have/has been+过去分词是完成时的被动语态,例:The book has been returned to him.这本书已经(被)还给他了.The ink has been used up.墨水已经(被)用光了.而have/has+过去分词就是普通的完成时.He has gone to Beijing .We have not met for 3 years. ...
been,be的过去分词,是。 造句如下: 1、The present regime has been in power for two years. 现政权已经执政两年了。 2、The system has been in operation for sixmonths. 这个系统已经运行六个月了。 3、Only time will tell if the treatment has been successful. 只有时间才能证明这种疗法是否成功。 4...
I have been saying goodbye to some friends today.我今天同好几个朋友告了别. 二、have/has+过去分词 现在完成时 (1)强调动作是从过去持续到现在,并有可能继续持续下去 (2) 强调对现在的影响或结果,此用法容易和一般过去时混淆.两者的区别是:一般过去时有动作发生的时间点,即过去某一时间发生某一动作;现在...
has been是现在完成时的结构,表示到说话时为止已经发生或完成的动作或状态。现在完成时表示过去某一时间开始并一直持续到现在,并且有可能还会持续的动作或状态。 has been的用法和结构: 现在完成时的基本结构是“have/has + been + 动词过去分词”。例如:This site has been chosen for the new school.(这块场地...