ISR11 Scientific Report No. ISR-11 Information Storage and Retrieval Operating Instructions for the SMART Text Processing and Document Retrieval System chapter M. E. Lesk Harvard University Gerard Salton Use, reproduction, or publication, in whole or in part, is permitted for any purpose of the United States Government. II-if7 Letter Meaning 1 Declarative sentence 2 Interrogative sentence 3 Imperative sentence if Subject clause 5 Object clause 6 Complement clause 7 Adjective clause 8 Adverbial clause A Adjective C Complement D Adverb E Adverbial noun phrase G Gerund M Participle Object P Phrase R Phrase or clause introducer (preposition or conjunction) S Subject V Verb x Auxili[OCRerr] Verb + Conjunction (and/or/but) Comma Period Question mark Syntactic Role Codes Table 7 Footnote to Table: see section I of Reference 8, page 127 (Table 25)