The production of grain has been increased by four times this year.今年粮食产量增加了4倍has been increased 是完成时被动语态吗 为什么需要使用到完成时被动语态:为什么表示增加了4倍就要用被动语态

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Theproductionofgrainhasbeenincreasedbyfourtimesthisyear.今年粮食产量增加了4倍hasbeenincreased是完成时被动语态吗为什么需要使用到

The production of grain has been increased by four times this year.今年粮食产量增加了4倍has been increased 是完成时被动语态吗 为什么需要使用到完成时被动语态:为什么表示增加了4倍就要用被动语态
The production of grain has been increased by four times this year.今年粮食产量增加了4倍
has been increased 是完成时被动语态吗 为什么需要使用到完成时被动语态
:为什么表示增加了4倍就要用被动语态

The production of grain has been increased by four times this year.今年粮食产量增加了4倍has been increased 是完成时被动语态吗 为什么需要使用到完成时被动语态:为什么表示增加了4倍就要用被动语态
1、句子主语【production 产量】与谓语动词【increase增加】应该是被动关系,产量是被增加的或人为增加的,所以要用【被动语态】.
2、由于有时间状语【this year】,表明【产量被增加】这一动作应该是已经发生过的,强调对现在造成的影响或结果,因此需要用现在完成时.
这两种形式合二为一就是【现在完成时的被动语态】.
祝你开心如意!

同解

首先,这里的粮食是被生产的,所以需用被动语态,其次,这里的增加是一个持续性动词,从今年年初一直增加到现在,所以合起来需用完成时被动语态

good question。我也有点混了。。
小研究了下,但没法回答你的问题,因为production本身是可以做主动使得,如:
Japan's industrial output increased by 2%...


在完成时态下用主动真的很奇怪,但我没法给你一个合理可靠地理由。。。
建议寻找老师专家。
很抱歉。。...

全部展开

good question。我也有点混了。。
小研究了下,但没法回答你的问题,因为production本身是可以做主动使得,如:
Japan's industrial output increased by 2%...


在完成时态下用主动真的很奇怪,但我没法给你一个合理可靠地理由。。。
建议寻找老师专家。
很抱歉。。

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