garrett suggested an important difference between the way function words and bound morphemes on the one hand, and content words on the other hands, are introduced into the sentence plan. according to his formulation, at the functional level only semantic representations associated with content words are involved. At the positional level, when the syntactic from of the sentence is selected, it comes with the phonological from of the grammatical function words and bound morphemes already specified and the are already in position. The phonological forms of the content words, however, are not yet specified and in position. The phonological from of each content word has to be specified and inserted into the syntactic from of the sentence within the positional level of sentence generation