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Newly added preposition, meaning "during". I don't see how this could be used. Equinox ◑ 20:21, 4 July 2016 (UTC)
Currently item 2 in the adverb section gives these examples:
*Do you know when they arrived? *Do you know when they will arrive? *Do you know when they arrive?
And item 5 gives
*That was the day when the Twin Towers fell.
I think that all of these are actually examples of use as a subordinate conjunction (specifically an adverbial conjunction). The “when”s from item 2 are part of a subordinate nominal (noun) clause: “when they arrived” serves as the object of the verb “know”. In the one from item 5, the dependent clause “when the Twin Towers fell” serves as an adjective modifying “day”. Loraof (talk) 14:35, 4 June 2019 (UTC)
The Cassell's Spanish dictionary gives "cuándo" as a noun, but it requires the acute accent. I think the "please verify" notice should be removed. Caeruleancentaur (talk) 15:40, 5 August 2019 (UTC)
When the wind blows, all the doors rattle. https://ahdictionary.com/word/search.html?q=when
--Backinstadiums (talk) 14:47, 26 August 2020 (UTC)
Conjunction: after (which) --Backinstadiums (talk) 09:44, 3 May 2021 (UTC)
When not including John, we'll be eight for dinner (Exclusive= If we don't include J, we'll be eight) https://www.eltconcourse.com/training/inservice/phrases_clauses_sentences/subordination.html JMGN (talk) 18:11, 11 August 2023 (UTC)
Is it idiomatic enough as a skeptical exclamation? JMGN (talk) 21:47, 3 October 2024 (UTC)
She left on Fri., since when we haven't heard any news. JMGN (talk) 01:17, 31 October 2024 (UTC)