2017-06-10 20:20:37
Prepositions often confused
384. For and At. (Price.)
(a) For.
Don't say: I bought a book at fifty pence.
Say: I bought a book for fifty pence.
(b) At.
Don't say: I can't buy it for such a high price.
Say: I can't buy it at such a high price.
Use "for" if the actual sum is mentioned, use "at" if the actual sum isn't given.
Note: If the weight or measure follows the price, use "at" with the actual sum: That velvet is available at £5 a metre.
@common_mistakes
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