The number of plant and animal species that humans are known to have forced to extinction in the last half millennium is over 800.
语法 Sentence Correction-3931
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正确的用户笔记
camellia00738 2015-10-06 20:23:11
humans are known to have force that (指代plant and animal species) to extinction…. be known to do
Deprofundis 2014-07-07 22:07:02
the number of {humans are known to have forced that to extinction} , that 指代 plant and animal species.
liqijie3242656 2014-08-06 00:41:36
be known to因...而闻名，that这里是定语从句里force的宾语
停不下来的雕兄 2016-12-24 14:54:08
语be known to do something为正确的习语，Be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
ChessyG 2016-11-26 13:09:43
that指代species在定语从句中作known的宾语be known to do something为正确的习语，Be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
linlvyun 2016-11-25 19:05:16
be known as + noun be known to + verb to become extinct wordy to extinction better
金子0913 2016-07-23 14:29:11
1）be know as/to 因...而闻名 2）现在完成时表示已经灭绝
huiminzi1124 2016-07-05 10:05:46
A. 正确，完成时态突出了“已经”灭绝的含义。 B. Be known as用于此处语义不正确 C. Be known for用于此处语义不正确 D. That are known that… 表达笨拙 E. Be known as用于此处语义不正确;having been forced表达笨拙 句子结构：The number of… is over 800. 为句子主结构。 划线部分为句子限定性定语从句，修饰species，表示人们知道的已经绝种的动物和植物的数量为800 种。在定语从句中，that指代plant and animal species，做从句have forced的宾语，而不是从句主语。 从句还原之后正常语序形式为：humans are known to have force that (指代plant and animal species) to extinction…. 考点:句子结构(Grammatical Construction), 习惯用语(Idiom)that指代species在定语从句中作known的宾语be known to do something为正确的习语，Be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
huiminzi1124 2016-07-05 10:05:36
A. 正确，完成时态突出了“已经”灭绝的含义。 B. Be known as用于此处语义不正确 C. Be known for用于此处语义不正确 D. That are known that… 表达笨拙 E. Be known as用于此处语义不正确;having been forced表达笨拙 句子结构：The number of… is over 800. 为句子主结构。 划线部分为句子限定性定语从句，修饰species，表示人们知道的已经绝种的动物和植物的数量为800 种。在定语从句中，that指代plant and animal species，做从句have forced的宾语，而不是从句主语。 从句还原之后正常语序形式为：humans are known to have force that (指代plant and animal species) to extinction…. 考点:句子结构(Grammatical Construction), 习惯用语(Idiom)that指代species在定语从句中作known的宾语be known to do something为正确的习语，Be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
IAMBACK 2016-06-12 17:12:57
be known to（已知的）be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
IAMBACK 2016-06-12 17:12:56
be known to（已知的）be known as…作为…而著名，know for…表示以…而 著名，或而被别人认知。
Categreen 2016-05-17 20:52:52
known to be or do
BobZ 2015-12-18 00:55:21
正确，完成时态突出了“已经”灭绝的含义 be known to被知道怎么怎么样 搭配用法正确 be known as/for 都变成了 作为 因为 。。。。。而出名 就意识不对了
