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have been designing
  • present perfect progressive of design.

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 • Jan. 30, 2023

"So after that, we have been designing and engineering the whole architecture for quantum computing based on modularity."

From Reuters • Nov. 9, 2022

Blake Ratcliff and his wife, Sherri, have been designing children’s furniture for 25 years.

From Washington Post • Jan. 29, 2022

But more recently, smaller creators have been designing worlds as mirrors to our own.

From The Verge • Feb. 13, 2020

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 Behn, Aphra