Michael Halliday (born 1925) is a linguist who developed a grammar model, the systemic functional grammar, originally by studing Chinese. His work was an elaboration of the foundations laid by his British teacher J. R. Firth[?]. His seminal paper on this model was published in 1961. The model has been applied to other languages as well as Chinese. It is especially useful for describing non-Indo-European languages.
... upheavals, in many parts of the island. The clays, which contain layers of good coal and an abundant fossil vegetation, show that during the Miocene period Sakhalin ...