Earl W. Stevick, Adapting and Writing Language Lessons… (1971)
“ Both students and instructor are led to break texts down into two inventories: nouns and short sentences. The former are important in Swahili because of the role played by concordial agreement between nouns and many other words: the latter serve largely as the basis for drills involving changes of tense, and changes from affirmative to negative. Included here are most of the drills to accompany the first news item ”
