They had been around for centuries.这是什么时态,帮忙分析一下句子结构,

They had been around for centuries.这是什么时态,帮忙分析一下句子结构, 英语翻译they had been- yes,well- pecked A asked her FRIENDS（ ）DURING THE THREE-DAY HOLIDAYWHERE THEY HAD BEEN? WHERE HAD THEY BEEN? WHERE THEY HAD GONE?WHERE HAD THEY GONE?WHY? They had failed to locate the ship they had been sent to look for.翻译. they said they---here several timesA had come b came c were d had been 英语翻译they had been going out for a long time I wish I had been shown around the Summer Palace.的省略句为I wish I had 还是I wish I had been had been 求大神翻译 John Perry stood up and looked around aga求大神翻译 John Perry stood up and looked around again. The island had been a good place to find shells. But now how could he make the sharks move out to sea…? If they swam out to sea There____so many parks around the world now.A.have been B,have had C.has had D.has been最近狂做练习题 要愿意啊 John and Mary_______for years before they got marriedA had broken up B had been in love C had separated D had been divorced They said at last that they _______ better start out at onceA.had had B.had C.had been D.was 是哪一个为什么？ 求大神翻译 John Perry stood up and looked around again. The island had been a good place to find shells. But now how could he make the sharks move out to sea…? If they swam out to sea he could jump in and get to shore before they saw him. He s 英语翻译John Perry stood up and looked around again.The island had been a good place to find shells.But now how could he make the sharks move out to sea…?If they swam out to sea he could jump in and get to shore before they saw him.He saw the s looking around the town he felt as though he （had been） away for ages 求详解 they all around him They told us that sick boy ___to the hospital before they arrived A.has been taken B.has takenC.had taken D.had been taken 11.I think they are dating.They ____a lot of each other recently.A .had seen B.had been seeing C.have seen D.have been seeing