one tackles the greater complexities of analyzing entire linguistic structures. For example, Type A forms of verbs in Samoan are the citation forms, which are in dictionaries and word lists, but in making historical comparisons with other Austronesian languages, one should not use Samoan citation forms that have missing parts. (An analysis of the verb sets would alert the researcher to the certainty that many other words in Samoan have lost a final consonant.)

In other words, internal reconstruction