What is "Grammar in Use?"

In linguistics, "Grammar in Use" refers to the way in which speakers and writers actually use grammar in their everyday language. It is the study of how grammar is used in real-life language production, rather than in the abstract or prescriptive sense of how it should be used according to a set of linguistic rules.

This approach to grammar emphasizes the importance of understanding how language is used in context and how speakers and writers adapt their use of grammar to suit the particular communicative situation. It also highlights the fact that there is often variation and flexibility in the way grammar is used, and that speakers and writers may use different grammatical structures to convey the same meaning.

This approach to grammar is closely related to the study of usage and usage-based theories of grammar, which focus on the way grammar is acquired and used by speakers and writers, rather than on prescriptive grammatical rules.

In summary, "Grammar in Use" in Linguistics refers to the study of the actual usage of grammar in a language by native speakers in real-life situations and contexts, as opposed to studying grammar in a prescriptive or theoretical way.