* Vocalizes with intonation
* Responds to name/human voices by turning head and eyes
* Responds appropriately to friendly and angry tones

* Uses one of more words with meaning
* Understands simple instructions
* Practices inflection
* Is aware of social value of speech

* Has vocabulary of approximately 5-20 works
* Vocabulary made up chiefly of nouns
* Some echolalia (repeating sounds or short phrases over and over)
* Much jargon with emotional content
* Able to follow simple commands (roll the ball, pick up the cup)

* Can name a number of objects common to surroundings
* Able to use at least two prepositions (on, in, under)
* Combines words into a short sentence (More juice, Mommy go)
* Approximately 2/3 of what child says is intelligible
* Vocabulary of approximately 150-300 words
* Can use pronouns correctly (I, me, you)
* My and mine are emerging

* Using some plurals and past tense
* Knows at least 3 prepositions (in, on, under)
* Knows chief parts of body and can point to them
* Handles 3 word sentences easily
* Vocabulary of approximately 900-1000 words
* 90% of speech is usually intelligible
* Verbs begin to predominate
* Understands simple questions dealing with environment and activities
* Relates experiences so they can be followed with reason
* Able to reason out certain questions (what do you do when you are sleepy, hungry, cold, thirsty?)
* Should be able to give name, age, and sex
* Should not be able to answer all questions even though he understands what is expected

* Knows names of familiar animals
*Can use at least four prepositions
* Names common objects in picture books or magazines
* Knows most primary colors
* Can repeat 4 digits when presented slowly
* Can repeat words of four syllables
* Demonstrates understanding of over and under
* Has most vowels and diphthongs and consonants p,b,m,w,n
* Often indulges in make-believe
* Extensive verbalization as activities are carried out
* Understands concepts such as long, longer

* Knows common opposites
* Can count to 10 or more
* Speech should be largely intelligible with exceptions of articulation problems
* Should have all vowels and consonants m,p,b,h,k,w,g,t,d,n,ng,y
* Should be able to repeat sentences as long as 9 words
* Can follow three commands without interruption
* Has simple time concepts: morning, afternoon, night, day, later, after, tomorrow, yesterday, today
* Should use some compound and complex sentences
* Speech on whole should be grammatically correct

* Additional consonants f,v,sh,zh,th,l should be established
* Speech should be completely intelligible and socially useful
* Should be able to tell one a rather connected story about a picture, seeing relationships

* Should have mastered consonants s,z,r,voiceless th,ch,wh,and g
* Handles opposites analogies easily: girl-boy, flies-swims, sweet-sour, etc.
* Understands terms: alike, different, beginning, end, etc.
* Should be able to tell time to quarter hour
* Able to do simple reading and writing many words

* Can relate rather involved accounts of events, many of which occurred at some time in the past
* Complex and compound sentences should be used easily
* Few lapses in grammatical constrictions-tense, pronouns, plurals
* All speech sounds, including consonant blends, should be established (play, snake, brush)
* Should be reading with considerable ease and now writing simple compositions
* Social amenities should be present in speech and appropriate situations
* Control of rate, pitch and volume are generally well and appropriately established
* Can carry on conversations at rather adult level
* Follows fairly complex directions with little reception
* Has well developed time and number concepts