prove 表示被发现了的时候 是不是主动的被动语态
网校学员ur4**在学习新概念英语2、3、4册连读【双11专享班】时提出了此问题，已有1人帮助了TA。
网校助教
清醒季smile
同学你好，该知识点来自沪江网校《新概念英语2、3、4册连读【双11专享班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。
同学你好~是主动语态，表示被动含义。
Shares in the industry proved a poor investment.
事实证明投资这个行业的股票是一个失败。
祝同学学习进步~
版权申明：知识和讨论来自课程：《新概念英语2、3、4册连读【双11专享班】》的学员和老师，如果想了解更多，可以报名参加课程学习。所有知识讨论内容，版权归作者及沪江网校所有。
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新概念英语2、3、4册连读【双11专享班】
已有43人在本课程中发现了3302个知识
已有3012个知识得到了老师的回复
本课程热门知识点
- we all know what the poor man should have said. 不是宾语从句么？
- childrenwhoaretaughttoholdtheirbreathunderwaterbeforetheycanwalkoftenbeginlearningtoswimwhentwomonthsold.不懂
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- I had all the usual symptoms of someone giving up smoking.什么独立主格 再好好说说吧
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- there was a great deal of excitement just before it began 在某事开始之前，有大量的兴奋 这里翻译不通啊
- He hasn't as many books as I have. 为什么不是doesn't have?
- Though, at first, Byrd and his men were able to take a great many photographs of the mountains that lay below, Though不是不能放句首吗
- Roy Trenton used to drive a taxi. This means he has stopped driving a taxi. 为什么是driving
- 请问情态动词 would 和could以及might 可以表示过去式吗？