41 Linguistics is generally defined as “the scientific study of language”. Describe briefly brieflythe process of linguistic study.
（1）First，certain linguistic facts are observed ,which are found to display some similarities and generalizations are made about them.(2)Second, based on these generalizations , hypotheses are formulated to account for these facts ;and then the hypotheses are tested by further observations.(3)Third , a linguistic theory is constructed about what language is and how it works.
