Dictionary.com
Thesaurus.com

have been differentiating

  • present perfect progressive
    of differentiate.
    differentiate
    verb (used with object)
    to form or mark differently from other such things; distinguish.

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:

Yet many observers have argued that investors merely have been differentiating between those nations that are good risks and those that are not.

From Washington Post Mar. 9, 2010