Speech is developed primarily in the first two years of the life of an infant.
Step-by-step explanation:
The recognition of speech patters in children starts at infancy and is a precursor to the eventual understanding of language and speaking.
0-3 months the baby:
Recognizes different tones of voices
Coos when it is happy
Cries to show hunger, tiredness and distress
By the time the kid reaches 6 months the kid starts to:
Laughs, chuckles and squeals
Cries to show it is distress ed
Begins to understand emotion in parent or carer’s voice
By the time it reaches 9 months:
Begins to recognize its own name
Imitates simple words
By the time it reaches 1 year:
Uses vowels and consonants together to make repetitive sounds
Use gestures to ask for things
Understand more than it can say
By the time the kid reaches 18 months:
Vocabulary increases with children learning 10-30 words in a month
Repeats words and sentences
Use language to name belongings and point out named objects.
By the time the kid is 24 months old:
Both active and passive vocabularies continue to increase
Sentences become longer although they tend to be in telegraphic speech