What he suggests that language of dialogue involves, in essence, acts of exchange: conversationalists typically use language in the exchange of goods and services as well as information [terms previously used by Halliday, 1994]. When individuals talk to each other, they are enacting exchanges which can be either mental or physical then the conversational contribution amounts correspondingly to the relation of giving-seeking information or that of giving-taking goods and services. Accordingly he introduces typical kind of conversational act in two core categories: exchanging information and exchanging goods and services. The speech acts are therefore divided into four sub-classes of inform, question which corresponds to the first category and offer and request which is in correspondence to the
What he suggests that language of dialogue involves, in essence, acts of exchange: conversationalists typically use language in the exchange of goods and services as well as information [terms previously used by Halliday, 1994]. When individuals talk to each other, they are enacting exchanges which can be either mental or physical then the conversational contribution amounts correspondingly to the relation of giving-seeking information or that of giving-taking goods and services. Accordingly he introduces typical kind of conversational act in two core categories: exchanging information and exchanging goods and services. The speech acts are therefore divided into four sub-classes of inform, question which corresponds to the first category and offer and request which is in correspondence to the