It belongs to the West Germanic branch of the Indo-European language family. The specific origin is the gradual evolution of the original language spoken by the Germanic people of the Saxon, Anglo and Jute tribes who migrated from the European continent to the island of Great Britain in ancient times, and then spread to all parts of the world through British colonial activities overseas in the following time. Because English has been integrated with many individual national languages in history, its vocabulary has changed from unitary to plural, its grammar has changed from "more inflections" to