Table of Contents when clause Created:16 Jul 2017 19:42:00 , in intermediate Pattern When clause is a pattern which facilitates adding, modifying or extending time part of the main sentence. The extra information follows "when" conjunction. Example sentences My sister rang when I was in the shower. In the 1989, when Ronald Regan delivered his farewell address to the nation, I finished high school. The Middle Ages, when this sort of clothes was popular, was largely period of time of plagues, wars and diminishing population. Last year's December, when I visited Mali and Botswana, was one of the most eventful periods in my life. The recent economic crisis in Greece, when also tough austerity measures were imposed, caused unprecedented pauperisation to people of the country. The French Revolution, when the French Monarchy was abolished, witnessed the birth of total war model. :ads: This post was updated on 28 Sep 2017 15:11:01 Tags: clause