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Responds vocally to partner such as parents through sighs, cooing, and eventually babbling.
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The child starts to make gestures in order to show others what they want.
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The child's first word is spoken, The words now designate what the child wants instead of the use of gestures.
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The starts to combine words and begins to answer simple yes or no questions.
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The child begins to add bound morphemes such as prefixes and suffixes to free morphemes to create new words such as restart.
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The child begins to speak using more adultlike sentences.
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The child begins to be able to have conversations in which they discuss how they are doing, what they are doing, expressing their feelings, and reasoning about different things.
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At this age, the ninety percent of a child's language form has been acquired.
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The child begins to learn visual mode of communication through writing and reading.
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The child is able to contribute to conversations with others, tell a story about different events, understand the multiple meanings of words, use figurative languages such as a simile or metaphor. They also use different conversational styles based on gender when speaking to others.