Some examples and use cases from the internet:

Some examples and use cases from the internet:

• “History has demonstrated that the most notable winners usually encountered heartbreaking obstacles before they triumphed. They won because they refused to ...
• v. dem·on·strat·ed, dem·on·strat·ing, dem·on·strates. v.tr. 1. To show clearly and deliberately; manifest: demonstrated her skill as a gymnast; demonstrate affection  ...
• I, have demonstrated. you, have demonstrated. he/she/it, has demonstrated. we, have demonstrated. you, have demonstrated. they, have demonstrated ...
• History has demonstrated that the most notable winners usually encountered heartbreaking obstacles before they triumphed. They won because they refused to ...

• Saharan Africa's chronic crisis.
• 2.1 [ no object, with complement ] Be seen or found to be: the scheme has proved a great success. More example sentences. Completeness, however, is an ...
• Aug 21, 2010 ... One can say either, He has proved his theory, or He has proven his theory. According the OED, proven is “the usual form [of the past participle] ...
• Mar 31, 2016 ... How Trump Has Proved the Founders Right. They feared demagogues for a reason. Restore the Electoral College to its purpose! By H.W. ...
• [Forbes]. The African Union, in fact, has proved itself both unwilling and, when it does attempt to act, incompetent to deal with sub