The rationale for studying the product and process of translation through corpra both as atool for translators and away of analyzing the process of translation can provide asatisfactory answers and fruitful results .Corpus linguistics is interested in describing 'language use",and intended to prefer to linguistic product (spoken or written).Baker (1996) points out three fundamental aspect of corpus-based translation studies :it's theoretical links with target-oriented approaches,the unique methodology it employs and the potential of this methodology for investigating the distinctive linguistic of translation .Patterning of language use can be discovered from the direct examination of corpus-based word frequencies ,concordances and collocations.The meaning of words is enshrined in language use and studied in actual corpus citation.d