have been designing
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present perfect progressiveof design.present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
designverb (used with object)to prepare the preliminary sketch or the plans for (a work to be executed), especially to plan the form and structure of.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Airplane and engine manufacturers have been designing more-efficient models, in part to help keep down costs of jet fuel — one of the biggest expenses airlines face.
From Seattle Times β Jan. 30, 2023
The costumes include ostrich-feather hats, wooden clogs, bells and wax masks, elements which the Kersten family have been designing and making for five generations.
From Reuters β Jan. 25, 2023
The shopping experience looks fairly familiar, akin to what Instacart and other delivery services have been designing for years.
From The Verge β Aug. 29, 2022
Blake Ratcliff and his wife, Sherri, have been designing children’s furniture for 25 years.
From Washington Post β Jan. 29, 2022
Ah, Sylvia, how have you in one day destroyed that repose I have been designing so many years!
From Love-Letters Between a Nobleman and His Sister by Aphra Behn