Early Language

Question 1

Brown’s Stage 1

Answer 1

Children between 1 and 2 years. MLU is 1-2.

Question 2

Brown’s Stage 2

Answer 2

Children between 2-2.5 years. MLU is 2-2.5. Includes -ing and -s endings as well as prepositions.

Question 3

Brown’s Stage 3

Answer 3

Children between 2.5-3 years. MLU is 2.5-3. Includes irregular past tense, possessive markers, and uncontractible copula (it+to be).

Question 4

Brown’s Stage 4

Answer 4

Children between 3-3.5 years. MLU is 3-3.75. Includes articles, regular past tense verbs, and correct use of third person present tense.

Question 5

Brown’s Stage 5

Answer 5

Children between 3.5-4 years. MLU is 3.75-4.5. Includes third person irregular verbs, auxiliary verbs, and contractions.