【正确答案】正确答案：Directive function is one of functions of language. Language is used to get the hearer to do something. Most imperative sentences are of this function. For example, the sentence "Close your book and listen to me carefully t" performs a directive function. Other syntactic structures or sentences of other sorts can, according to J. Austin and J. Searle"s "Indirect speech act theory" at least, serves the purpose of direction too, e. g. , " If I were you, I would have blushed to the bottom of my ears!"