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prove的过去分词一般为proved:
1704953915
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Facts have proved these worries groundless.事实证明这些忧虑是没有根据的。
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In the past this process of transition has often proved difficult.过去这种过渡过程常证明是困难的。
1704953919
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但在个别情况下(特别是在被动结构中及用作定语时)可以拼作proven:
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The law provides that a person is innocent until proven guilty.法律规定一个人在被证实有罪以前是无罪的。
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1704953924
a man of proven ability 一个已证明有能力的人
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1704953927
731 provide—provided—providing
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provide主要有两个用法:
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表示“提供”:
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The Red Cross provides food and shelter for disaster victims.红十字会为灾民提供食品和住处。
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On Sundays his landlord provided dinner as well as breakfast.星期天他的房东提供一顿早饭和晚饭。
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They provide him with money and clothes.他们给他提供钱和衣服。
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规定:
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The author’s contract provided that he was to receive royalties.这位作者的合约规定他将可领取版税。
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1704953943
The law provides that valuable ancient buildings must be preserved by the government.法律规定珍贵古建筑应由政府保护。
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1704953945
The Bill provides for the eventual self-government of the territory.法案规定这块领地最后实行自治。
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1704953947
provided可用作连词(有时和that连用),表示“如果……”、“只要……”:
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1704953949
They may swim provided an adult accompanies them.只要有大人伴随,他们可以游泳。
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1704953951
She may come with us provided (that) she arrives in time.如果她及时到达,她可能会和我们一道来。
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1704953953
Provided (that) there is no opposition, we shall hold the meeting here.如果没人反对,我们将在这里开会。
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providing也有同样作用:
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You may go out providing you do your homework first.只要你先把作业做好你就可以出去。
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We’ll visit Europe next year, providing (provided) we have the money.如果我们有这笔钱,明年我们将去欧洲。
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Providing (that) there is no opposition, we shall hold the sports meet here.如果没有人反对,我们将在这里开运动会。
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