I found a meme that says 'I flew in from (wherever) and boy are my arms tired!'. I can understand what's funny about this meme but I can't understand why 'are my arms tired!' is used instead of 'my arms are tired!'. that's not an interrogative sentence, right? why does there have to be an inversion?
4 Answers
After a short interjection of amazement / delight / relief / exhaustion, inversion is not uncommon but only with a limited subset of interjections:
"Wow, is she having fun!" [YouTube; Grandma sledding]
"Gosh, was he a looker!" [Facebook, via Google
"They beg but man are they cute!" [Tripadvisor.com / Santo_Domingo]
"Boy, am I glad to see you!" [Farlex Dictionary of Idioms 2015]
This is discussed in an article by [Andersen and Aijmer in The Pragmatics of Society]:
Subject-Auxiliary Inversion (SAI) is one standard index of the exclamative clause type.... This inversion of standard word order instantiates one type of exclamative sentence and is itself a marker of emotional involvement ....
Occasionally, the inversion-form exclamatory appears without an overt interjection:
- "Am I glad to see you!"
- "Is he one lucky guy!"
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It does appear at first glance to be an interrogative due to the subject-auxiliary inversion. However, in this instance, the closed interrogative (yes/no question) indirectly conveys an exclamatory statement, the implicit meaning being close to that of the positive exclamative:
How tired my arms are!
The understood meaning is that the speaker's arms are very tired.
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The intended meaning is "the astonishing degree to which my arms are tired is deserving of the exclamation »boy!«"
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This is already given in other answers. Please see the [help] and [tour], and welcome to EL&U. – livresque Oct 04 '21 at 21:06
are my arms tired!
This is a rhetorical question. It is emphatic and humorous. Rhetorical questions do not take a question mark.
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anthe answer. – Greybeard Apr 08 '21 at 17:12