作业帮The price of vegetables has been doubled because of the weather.由于天气不好,蔬菜价格翻了一翻.请问 ,这里 has been 有什么用.
来源：学生作业帮助网 编辑：作业帮 时间：2024/06/21 04:28:16
The price of vegetables has been doubled because of the weather.由于天气不好,蔬菜价格翻了一翻.
请问 ,这里 has been 有什么用.
has been doubled是现在完成时的被动语态
现在完成时
“俊狼猎英”团队为您解答。
用has been doubled，表示菜的价格现在已经翻了一番，到现在为止还没回落。如果用一般过去时，则无法表达这个意思，只能说过去某个时间翻了一番，但现在的情况不知。
祝你进步！
has been 是现在完成时，表示已经完成的动作并且对现在有一定影响，也就是蔬菜价格已经翻了一番，现在仍然是这个状态，所以用完成时。
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