1 as在knowing as how we knows he did it句中的用法
各位老师好，我在阅读《哈利波特与火焰杯》时读到一个句子：
he killed them, and I don’t care what the police say,” said Dot in the Hanged Man. “And if he had any decency, he’d leave here, knowing as how we knows he did it.”
请问这个句子中的“ knowing as how we knows he did it”的结构是什么？as在句中起什么作用？
最佳答案 2018-01-27 18:19
as how为地方性用语，仅用于非正式场合，引导名词性从句，相当于that。常见于少数动词之后，如allow，know，say, seeing等。
《美国韦氏词典》
As how 连词: =that
she allowed as how she was glad to be here
《朗文英语词典》
seeing as (how) informal (also seeing that) used before giving a reason for what you are saying
‘I might as well do something useful, seeing as I’m back,’ she said.
Well, seeing as how you just lost one of your men, you might think about hiring some one to replace him.
The man came, measured the height and girth of the tree, and allowed as how this was one of the most firmly rooted junipers he'd ever seen.
She didn't know I had sent it to her ... but she allowed as how she liked the book.
I don't know as how your father will like that.
小说中作者为了让读者了解人物的性格和受教育程度，常在对话中保留人物的说话时的语法错误。we knows就是一个例子。
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其它 2 个回答
And if he had any decency, he’d leave here, knowing as how we knows he did it.
【翻译】既然晓得我们知道他干了那件事，如果他懂礼貌的话，他会离开这里的。
1. 总体上看，这是一个含有条件从句的虚拟语气句：
If he had any decency, he would leave here. 如果他懂礼貌的话，他会离开这里的。
2. knowing as how we knows he did it，是现在分词短语，作原因状语。
现在重点分析这一部分：
（1）as how 是美国口语, 引导名词性从句，相当于that，或者if, whether。又如：
I don't know as how your father will like that. 我不知道你父亲是否喜欢那样。
（2）we knows （也是口语，严重有误），改为we know
（3）knowing as how we knows he did it
= knowing that we know he did it
= because he knows that we know he did it
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