问一个英文句式The cave might never have been discovered had not the entrance been spotted by the distinguished Frech pot-holer,Berger.其中的 had not 是用来作神马的?这是什么句式呢,看不懂

问一个英文句式The cave might never have been discovered had not the entrance been spotted by the distinguished Frech pot-holer,Berger.其中的 had not 是用来作神马的?这是什么句式呢,看不懂 魔窟 THE CAVE怎么样 I advised him not to enter the cave I suggested his not going into the cave.I advised him not to enter the cave.和I suggested his not going into the cave.为什么一个用his,一个用him Accept the challenge migh as well翻译成中文 是enter the cave 还是enter into the cave he make the cave his home 翻译 climb out of the cave 中文翻译``` climb out of the cave 中文 climb out of the cave 中文怎么说 mumford & sons 的the cave歌词mumford & sons的 the cave 要歌词全部的翻译、 the pirates used to hide gold in a cave 和the pirates would hide gold in a cave 是一个意思吗?这里的USED TO 和WOULD是不是可以替换,都表示过去常常的意思? 谁有《the secret cave of robinwood》的英文简介啊?急要英文简介,大约100字左右就够了,谁知道这本书的啊?急要 the new machine was used in a cave near the seashore where --it is said -- pirates used to hide gold.这里的 where -- it is said -- pirates used to hide gold是什么句式啊.写几个这样的句子 On the cave wall,we can see many drawings.cave wall 1.at the entrance of New York Harbour.2.soil near the entrance to the cave.这两句话entrance后面为什么一个用to,一个用of The last animal to lesson the cave was tiger.翻译! deep inside the cavedeep in the cave可以么?why? The beauty of the cave is beyond expression.