Milestones

Researchers have proven that speech and language development follows a predictable progression. Below (see link) is a guide of developmental milestones that include: feeding, speech sound acquisition, phoneme development, phonological patterns, pragmatics, literacy, concepts, phonological awareness, vocabulary and questions. This information has been provided by LinguiSystems Guide to Communication Milestones. Copyright © 2012 LinguiSystems, Inc.

https://speechhearing.columbian.gwu.edu/sites/g/files/zaxdzs1996/f/downloads/Milestonesguide.pdf