This verse is identical with 25.20, with the only change in the verbs from incomplete to completed action, which in English is from future to past tense. (See the comment there.)
Quoted with permission from Osborn, Noel D. and Hatton, Howard A. A Handbook on Exodus. (UBS Helps for Translators). New York: UBS, 1999. For this and other handbooks for translators see here .