Question

what is Formal and what is Aformal in foreign language ​

Answer 1

formal means systamatic manner and informal mean casual manner

Answer 2

hey mate : )

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Formal ↓

done in accordance with convention or etiquette; suitable for or constituting an official or important occasion.

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Formal in foreign language ​↓

A foreign language is a language originally from another country than the speaker. However, there must be a defined distinction between foreign and second language. ... It is because adults have pre-existing knowledge of how grammar works, and a superior ability of memorizing vocabulary.

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hope it helps

merci ^_^