Durations of time (these examples!)

user64344

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Hello everyone.

What is the difference between
and 月間?

Why wouldn't 「一週間」 be used instead of 「一週」 in 「この町では、一週に何回ゴミを集めますか」 for "How many times a week to they collect garbage in this town?"

Thank you for any elaborate/ well-written responses!
 
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週に何回 and 一週間に何回 are both correct, but 一週に何回 can't be used. As for 月 and 年, 月に何回, ひと月に何回, 一か月に何回, 一か月間に何回 and 年に何回, 一年に何回, 一年間に何回 are all correct.
 
Hi there, Toritobe!

I don't really feel satisfied with your response. The example sentence was provided by Tanaka Corpus, so I do believe that the sentence actually is correct, and I'd really appreciate it if you actually explain why things are such and such (otherwise it just feels cold). You also didn't tell me about the difference between ヶ月 and ヶ月間.
 
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You can find so many errors in that corpus even only in this forum. I checked another corpus and the search result of 一週に何回 is zero. 一日に何回 is also correct, so you can think 一週 is an exception.

Are you requesting the ENTIRE explanations of all the usages of those two expressions?
 
I want to know when ヶ月 and ヶ月間 are used, respectively. They are both used to count month as I understand it, but I want to have the DIFFERENCE IN USAGE between them explained.

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Should I then take it that 「一週」or any other number before 「週」standing alone really isn't a word (一時間 means one hour, while 一時 means 01:00/ 13:00; 一週間 means one week [in time], while 一週 [literally "one week"] doesn't really specify any date or have any function)?

I find several examples of 一週に回*, which is what I'm essentially asking for and want explained...

*「一週に二回」の例文・つかいかた - 用例.jp
 
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ヶ月 is more widely used. ヶ月間 is preferred when referring to a specific period of month(s).
e.g.
雪解けから上層木の芽吹きまでの約2ヶ月間に芽を出し、
その1ヶ月間にいろいろ考えてみた結果、
円高が進行し始めた60年9月から62年5月にかけての1年8ヶ月間に,ほとんどの品目において小売価格の低下がみられる。


クリスティ/松本恵子訳『エッジウェア卿の死』
published in 1950's, the translator was born in 1891

新田次郎『孤高の人』
published in 1969, the writer was born in 1912

クリスティ/能島武文訳『スタイルズ荘の怪事件』
published in 1959, the translator was born in 1898

石川達三『武漢作戦』
published in 1940, the writer was born in 1905

I would use 週に or 一週間に instead 一週に for all those examples.
 
ヶ月 is more widely used. ヶ月間 is preferred when referring to a specific period of month(s).

Thanks.

But what's with the rest? You write some advanced sentences with words unknown to me and write the name of some authors and books..? I understand that you were presenting contexts in which ヶ月間 is used, but I'd appreciate an explanation of the sentences as well. And I am not sure what you are trying to say regarding 週に; you said it was incorrect first... then I provide several other sentences presenting 週に and you mention your own preference in the matter. Are the people writing 一週に "incorrect"?

Overall I think I have a better idea regarding ヶ月 though.
 
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I don't won't to bother you, Toritoribe[さん], I think I have a decent idea of the usages...
 
I quoted the examples that ヶ月間に is more appropriate than ヶ月に from a corpus.

As for the book titles and writers/translators, those are from your link. I pointed out that 週に really is (or more likely, used to be) used, but the writers/translators were born in a hundred years ago. This reminds me of the following thread.
Meaning of ゆって | Japan Forum
 
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