Dictionary.com
Thesaurus.com

have been penetrating

  • present perfect progressive
    of penetrate.
    penetrate
    verb (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.

See Examples For:

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