Valaki írna nekem 3 angol mondatot ezekkel a szavakkal? : demonstrate, demonstration demonstrative?

Gilbarco Veeder-Root will demonstrate mobile wallet payments at the gas pump at this year's National Association of Convenience Stores.

Myanmar police don't interfere with demonstration at pagoda but stop other marchers in Yangon.

Rick Shrowder, an Aussie Football coach and Founder of Global Community Sports at a demonstrative session of the game at Arya Vaisya School, Kovilpatti, recently, said making the children to write a sports manual is a participatory teaching method.