2. Prelinguistic Sounds
oo-oo
aah-aah Crying
waah
Cooing
Gurgling
Babbling
Even hearing-impaired
infants exhibit these
prelinguistic expressions
3. Sounds used as Symbols
Single word utterances
mama The single word expresses
dada the entire thought. For
example “mama” may
mean “mama come here”
or “where is mama?”
4. Telegraphic Speech
Two-and three-word
dada car expressions
mama go
The expressions begin
to show awareness
of basic linguistic rules
5. Speech Using Grammar
Longer sentences and
a growing understanding
I wanna
of linguistic rules
popsicle
Complete sentences show
a growing awareness of
linguistic rules
Negative sentences and
what, who, where, why,
and how questions are
common
6. Adultlike Speech
I thought
Complete sentences
the castle showing a good
was a
understanding of
giant’s castle
linguistic rules
Sentences are clear
expressions and show
a growing awareness
of linguistic rules
