Chapter 1: What Kind of Resource is Language? 
Describing Language: Form and Function - The Collected Works of Ruqaiya Hasan Vol 5 - Ruqaiya Hasan†
Ruqaiya Hasan† [+]
Ruqaiya Hasan, who died in 2015, was a professor of linguistics who taught and held visiting positions at various universities in England. Her last appointment was at Macquarie University, Australia, from where she retired as Emeritus Professor in 1994. Throughout her career she researched and published widely in the areas of verbal art, culture, context and text, text and texture, lexicogrammar and semantic variation. Read her obituary here
Originating out of the demands we make on it, whether trivial or enormously momentous, language both shapes and reinforces the intersubjective reality within which we live, work and play. Casual conversation between mother and child provides the environment within which reality is spun out of language. Besides being purposeful, speaking is also a potential.