Question

explain formal english and informal english
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Answer 1

Formal English is used in “serious” texts and situations — for example, in official documents, books, news reports, articles, business letters or official speeches. ... Informal English is used in everyday conversations and in personal letters.

Answer 2

Answer:

we use formal language in situations that are serious or that involve people we don't know we'll .this language is more common when we write.

whereas, informal language is more commonly in situations that are more relaxed and involve people we know we'll. this language is more common when we speak