The repetition of syntactic constituents is used in all languages to express continuity of action (e.g. he walked and walked) and/or emphasis (e. g. very, very bright).
Standardized
The repetition of syntactic constituents is used in all languages to express continuity of action (e.g. ‘he walked and walked’) and/or emphasis (e. g. ‘very, very bright’).
Cf. Moravcsik 1978c.