Language Development Timeline By RuthArn Dec 16, 2007 Moves in response to human voice (0 - 6 months) Period: Dec 16, 2007 to Dec 16, 2015 Language Development 0 - 8 Years Jan 16, 2008 Makes vocalizations to respond to caregiver (0 - 6 months) Feb 16, 2008 Begins to babble (0-6 months) Mar 16, 2008 Demonstrates _+ or - responses with vocalizing (0 - 6 months) Apr 16, 2008 Laughs (0-6 months) Jun 16, 2008 Looks at pictures (6 - 12 months) Jul 16, 2008 Says 1 - 2 words unprompted (6 - 12 months) Jul 16, 2008 Recognizes some objects and people by name (6 -12 months) Aug 16, 2008 Mimics simple melody (6 -12 months) Aug 16, 2008 Gestures with meaning (6-12 months) Dec 16, 2008 Names objects (1-2 years) Feb 16, 2009 Follows 2-step directions with known words (1 - 2 years) Apr 16, 2009 Demonstrates question inflection to make requests (1 - 2 years) Jun 16, 2009 Vocabulary expands to 200 + words Dec 16, 2009 Recognizes some prepositions (2 - 3 years) Feb 16, 2010 Uses 3 -4 word sentences (2 -3 years) Apr 16, 2010 Answers yes/no questions (2 - 3 years) Jun 16, 2010 Starts generalizing verb endings (2 -3 years) Aug 16, 2010 Expresses feelings (2-3 years) Dec 16, 2010 Uses pronouns (3 -4 years) Feb 16, 2011 Vocabulary over 1500 words (3 -4 years) Feb 16, 2011 Can use terms "before' and "after" Apr 16, 2011 Can describe function of object (3 - 4 years) Jun 16, 2011 Uses "does" to ask questions about unseen party (4 - 5 years_ Jun 16, 2011 Makes yes/no questions (3 - 4 years) Sep 16, 2011 Can use comparatives with -er (4 - 5 years) Dec 16, 2011 More complex sentences (4 -5 years) Apr 16, 2012 Vocabulary 2500 + words (4 -5 years) Dec 16, 2012 Articles, pronouns and prespositions embedded (5 - 6 years) Feb 16, 2013 Relays events with timeline (5 - 6 years) Apr 16, 2013 Uses future tense (4-5 years) Apr 16, 2013 Elaborate relaying of past events (6 - 8 years) Jun 16, 2013 Uses future tense Jul 16, 2013 Opposites mastered (6 - 8 years) Aug 16, 2013 Tells longer stories and uses imagination (4- 5 years) Oct 16, 2013 Can carry on meaningful conversations with an adult (6-8 years) Dec 16, 2013 Present perfect questions (6-8 years) Feb 16, 2014 Limited lapses in grammar (6 - 8 years)