Language Development Milestones By monsalvekj Sep 1, 1994 A Child is Born!! Period: Sep 1, 1994 to Sep 1, 2012 Language Development From Birth to 18 Years Dec 1, 1994 Vocally Responds to Caregiver and Others May 1, 1995 Starts to Gesture Sep 1, 1995 First word has been spoken. Words start taking the place of gestures. Mar 1, 1996 Starts to combine words using word-order rules Sep 1, 1996 Has started using morphemes at an average of 1.6-2.2 per utterance Sep 1, 1997 Sentence structure becomes more adult-like. Average of 3.0-3.3 morphemes per utterance Sep 1, 1998 Change talking style to fit conversational partner. Average MLU for morphemes is now 3.6-4.7 Sep 1, 1999 Has now learned 90% of language form Sep 1, 2000 Learns to communicate visually through writing and reading Aug 29, 2006 Capable of conversing competently and of telling narratives Sep 1, 2009 Understands figurative language and multiple meanings of words. Uses a gender style when talking