the machine has been used to detect gold.the machine has been using to detect gold.the machine has been used to detect gold.the machine has been using to detect gold.这两句话所表达的意思一样吗 语境分别是什么?

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the machine has been used to detect gold.the machine has been using to detect gold.the machine has been used to detect gold.the machine has been using to detect gold.这两句话所表达的意思一样吗 语境分别是什么?

the machine has been used to detect gold.the machine has been using to detect gold.the machine has been used to detect gold.the machine has been using to detect gold.这两句话所表达的意思一样吗 语境分别是什么?
the machine has been used to detect gold.the machine has been using to detect gold.
the machine has been used to detect gold.
the machine has been using to detect gold.
这两句话所表达的意思一样吗 语境分别是什么?

the machine has been used to detect gold.the machine has been using to detect gold.the machine has been used to detect gold.the machine has been using to detect gold.这两句话所表达的意思一样吗 语境分别是什么?
第一句很明显,就是【这个机器曾经被用来探测金矿,现在不用它了】
第二句很诡异,语法看似没错,其实语义模糊,翻译为【这个机器曾经用（什么别的东西）探测金矿,现在还在用（别的东西）了】这句好像机器在操控别的东西一样,但句子里没有给出,也不符合常识（除非有特殊语境,可惜没有）
如果想把第二句改成第一句的意思,应该说One has been using the machine to detect gold

现在完成时和现在完成进行时的区别就在于：完成时强调结果和影响，进行时强调仍在继续。
1.现在完成时，这台机器被用作检测金子。（不知道以后会不会）2. 现在完成进行时，这台机子一直被用作检测金子。（可能以后也会被用）

意思不一样。前一句是说这台机器已经被用来探测金子（从过去某个时间开始使用，现在仍然在使用中）；而第二句从语法上来说就是错的：机器本身不能使用自己来作探测。

初中阶段use 词组用法和现在完成时我给你总结完你就会了
1.used to do 过去常常做某事；用于一般过去时
2.be used to do 被用来做某事；如例句1 这部机器已经被用来探测黄金。
3.be used to doing 习惯于做某事；
时态
1.例句1表示说话之前机器已经被使用说话之时正在被使用而且还可能继续被使用。
2.例句2是...

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初中阶段use 词组用法和现在完成时我给你总结完你就会了
1.used to do 过去常常做某事；用于一般过去时
2.be used to do 被用来做某事；如例句1 这部机器已经被用来探测黄金。
3.be used to doing 习惯于做某事；
时态
1.例句1表示说话之前机器已经被使用说话之时正在被使用而且还可能继续被使用。
2.例句2是个错句；正解为 the machine has been being used to detect gold.现在完成进行时的被动语态。是强调过去发生的事情到现在为止正在进行。
改过后例句1。2意思一样，之时一个强调依然再用一个强调正在用。

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英语 the new machine has been tested the machine has been recovered this The price of this washing machine has been increased -------15%. the machine () satisfactory after being testedThe machine __ satisfactory after being tested.A has proved B has been proved C has been provenD is prove 选哪个?为什么? 912- the computer has been removed the machine cover has been removed simce last system start up-pl the machine has been used to detect gold.the machine has been using to detect gold.the machine has been used to detect gold.the machine has been using to detect gold.这两句话所表达的意思一样吗 语境分别是什么? which 后面为什么还用has been 这个时态,我认为应该用过去完成时A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground. 英语翻译912-the computer has been removed ,the machine cover has been removed since last system start up.please ensure that any system access was authorized. the computer has been removed the machine cover has been removed since last systemstart up please ensure that any system access was authorized a new machine called the revealer has been invented.请机器不是被叫作吗,那不是应该a new machine was called吗,为什么没有was, It ___be two years before they find the new kind of machine.A.will be.B.has been the company has been producing this model of machine tool( )2008.A.since B.after C.fpr D.before qui cktime has not been detected on this machine. 英语单选：The machine has been repaired three times since it____into use.A.had come B.has come C.came D.comes has been used to detect gold,这是什么时态?句中的used to 是表示过去常常做某事吗?A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.这句中的it has been u A new machine called 'The Revealer' has been invented这句英语怎么理解.主.谓called 'The Revealer'是过去分词短语吗 this machine ____ specially ____to using underwater A.has been :adapted B.has been :adaptingthis machine ____ specially ____to using underwater A.has been :adapted B.has been :adapting C.was :adapting D.has:adapted What's that noise?-oh,i fogot to tell you,the new machine ___A.was testedB.will be testedC.is being tested D.has been tested