Signs of Preschool Language Disorders (via ASHA):
Some children have problems understanding, called RECEPTIVE language. They may have trouble:
-Understanding what people mean when they use gestures, like shrugging or nodding
-Pointing to objects and pictures
-Knowing how to take turns when talking with others
Some children have problems talking, called EXPRESSIVE language. They may have trouble:
-Putting words together into sentences
-Learning songs and rhymes
-Using correct pronouns, like "he" or "they"
-Knowing how to start a conversation and keep it going
-Changing how they talk to different people and in different places. For example, you speak differently to an adult than a young child. You can talk louder outside than inside.
Many children have problems with both understanding and talking.
Some children also have trouble with early reading and writing, such as:
-Holding a book right side up
-Looking at pictures in a book and turning pages
-Telling a story with a beginning, middle, and end
-Naming letters and numbers
-Learning the alphabet