1- true, 2- false, 3- true.
What exactly qualifies as Standard English?
Any form of the English language that is regarded by some as the best for use by educated native speakers is referred to as standard English. It includes spelling, vocabulary, grammar, and, to some extent, pronunciation. It is typically regarded as the language's "correct" written form.
Both a real variety of language and an idealized standard of English that is accepted in many social contexts are referred to as "Standard English."
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