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When searching tagged text, use double quotes for word forms, single quotes for base forms (not given for Danish). Tags are separated by blank space, words by underscore. Use '_._' for dummy words, '_.?_' for one optional dummy word, '_.*_' for one or more optional dummy words, and '_.+_' for one or more obligatory dummy words. Sentence start is '- - -' in untagged corpora, ">>>" (in word form quotes) for tagged corpora. For notational details, have a look at the CG-tags used for Danish or Portuguese at the VISL project site.