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What is standard English? Is it spoken in Britain, the US, Canada, Australia, India and New Zealand? Believe it or not, there is no thing as standard English. Many people believe the Englishon TV and the radio  is  standard English. This is because in the early days of radio, people (report) the news were expected to speak excellent English. ,on TV and the radio you will hear differences in the way people speak.
When people use words and expressions different the "standard language ",it is called a dialect. American English (have) many dialects, the midwestern , southern, African American, Spanish dialects. Even in some parts of the USA, two people from neighbouring towns speak a little(different).
Geography also plays a part in making dialects. Some peoplelive in the mountains of the USA speak with an older part English dialect. When Americans moved from one place to another, they(take) their dialects with them. So people from the mountains in the southeastern USA speak almost the same dialects people in the northwestern USA. The USA is a large country in which many different dialects are spoken. Although many Americans move a lot, they still recognize and understand each other's dialects.