have been penetrating
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present perfect progressiveof penetrate.present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
penetrateverb (used with object)to pierce or pass into or through.
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.
Since May, hackers have been penetrating the computer networks of companies that operate nuclear power stations and other energy facilities, as well as manufacturing plants in the United States and other countries.
From New York Times ● Jul. 6, 2017
They have been penetrating Turkey economically for the last thirty years.
From Turkey: a Past and a Future by Arnold Joseph Toynbee