Your search for the  imperative 4th person admonition, negative, Imperfective 
has returned 4 entries
Doo ’atiin bąąhgóó ch’il ’ahwééh ’áłah ’ájíléeh da.
NEG road 3-beside-along plant coffee together 3-4-gather.SFO.I NEGDon’t gather tea along the roadside.
bookmark- Indirect command with negationfind in Navajo Imperatives
 - doo --- da frame to negativize verbs and phrasesfind in Navajo Adverb Lexicon
 - 4th person admonition, negative, Imperfectivefind in Navajo Imperatives
 - -ąąh on, besidefind in Navajo Postposition Lexicon
 - location
 - -góó to, toward, along, on, with a numeral it indicates a datefind in Navajo Postposition Lexicon
 - Imperfective (I) (∅, ni, si, yi-∅)find in Navajo Verb Modes
 




