0-6 months - Makes mouth movements mirroring adult speech, 6-12 months - Coordinates movement of mouth, lips and tongue to copy sounds, 12-18 months - Uses speech sounds to say words. Understand more words than they can say, 18 months - 3 years - Puts words together to make meaningful speech and understand simple requests, 3-5 years - Organise thoughts to hold conversations and can follow simple instructions, 5 years + - Speaks fluently and understands grammar to build more complex sentences,

Language Development in Babies and Infants

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