Abstract: The present article describes the objectives and methods for a learner-centered description of Italian idioms based on the theoretical principles of Construction Grammar (CxG). The aim of the underlying research project is to develop a new way of looking at idioms, taking into account all linguistic aspects that could help to fully understand and usethem in a formally and functionally adequate manner, including situational and discursive features. By we understand different kinds of word combinations characterized by idiomaticity and/or entrenchment. I will focus here on (a) predicative phrasemes (typically figurative and containing an inflected verb as a predicate, also called expressions idiomatiques verbales), (b) (lexically open or formal idioms, in German phraseology Phraseoschablonen) and (c) (according to the French term pragmateme, i.e. pragmatically highly conventionalized phrases, also called expressions-enonces). Idiomaticity is characterized by non compositionality of its components and unpredictability of the whole structure. Italian examples for each of the three types are: (a) Tenere il piede in due staffe ('to run with the hare and hunt with the hounds'), (b) Cosa me lo chiedi a fare? ('Why are you asking me at all?') and (c) In bocca al lupo! ('Break a leg'). In chapter 2 I will first discuss basic concepts of Construction Grammar and Cognitive Grammar. In the following part (chapter 3) I will present my ideas about CxG and its ability to create a greater awareness of how many word combinations (in this context called constructions) in a language are idiosyncratic and unpredictable and about how to use fundamental theoretical issues of usage-based CxG (mainly Goldberg, Croft) and unification-based approaches in order to describe idioms in a new holistic way. Chapter 4 will deal with some important classifications of and their practical aptitude for phraseodidactics. Chapter 5 will finally present my idea of applying methods of Construction Grammar and Fillmore's semantics of understanding to build a new digital lexicographical format for which is going to be called phraseoframe. This will be illustrated for the three types of mentioned above. Each phraseme will be described by means of a simple meta language which is easy to understand and has links to prosodic, morphological, syntactic, semantic and pragmatic and discourse functional properties. As my approach is corpus based empirical evidence will be given for each of the three types of idioms by using several corpora of Italian spoken and written language (e.g., BADIP, PAISA and WEBBIT).Keywords: Construction Grammar, Corpus, Idiom, Phraseology, Idiomaticity, Entrenchment, Phraseodidactics, PhraseoframeIntroductionThe main purpose of the present paper is to sketch out an approach to the learner-centred treatment of within the framework of Construction Grammar. I will first sum up similarities and differences between the concepts 'symbolic unit', 'construction' and 'phraseme' and define the latter (chapter 2). In the third part, I will develop my phraseoframe model, mainly based on U-semantics and Construction Grammar, whose primary objective is to describe in a comprehensive and learnerappropriate way by transposing the modified attributevalue method of Frame semantics and unification-based Construction Grammars to my purposes. Chapter 4 will deal with various classifications of and will propose my own typology. I will finally (chapter 5) apply the theoretical issues discussed in the preceding part to three types of phrasemes: Predicative (attaccare un bottone), phraseotemplates (the si (che) construction) and pragmatemes (a buon rendere, e poicolpo di scena), using the phraseoframe schema.Symbolic Units, Constructions and PhrasemesThe similarities between central theoretical issues in Cognitive Grammar (CG), Construction Grammar (CxG) and phraseology have recently been pointed out by Gries (2008). …
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