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If week after week passes where plans are made to spend time together but are never honored, perhaps due to taking a friendship for granted, eventually even the closest of friendships may cease to have a reason to exist.

Why Do Friendships End?
By Allison Hunter
Hi. Is the underlined “where” a relative pronoun referring to “week”? If so, why isn’t “when” used here?

Thank you.
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In the above, "where" refers to a situation (weeks passing), not to time.

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zuotengdazuoHi. Is the underlined “where” a relative pronoun referring to “week”?

It is a relative adverb rather than a relative pronoun. (This is the traditional name, though it is not clear that it is truly an adverb.)

zuotengdazuo If so, why isn’t “when” used here?

It is the author's choice. I would say that "where" feels slightly vaguer. "in which" is another option.

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Comments  
Thank you both. If it refers to situation, then it makes sense to me.
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