Expansions and extensions for language development

Expansions are comments that add semantic and syntactic details to incomplete phrases.

Hmmmm….wondering what that means?

It means that you are making an incomplete phrase more appropriate and accurate by putting it into context and adding in missing words.

To expand your child’s comments you have to:

  • Use words that the child has already said
  • Maintain the meaning of the child’s intentions. Do this by carefully looking and listening when the child speaks to ensure you understand what he is trying to say
  • Complete the child’s utterance or comment by adding in missing words

For instance:

Your child puts a cow figurine into a barn and says “cow house” or “cow barn”.

Expand it by saying:

“The cow is in the house.” Or “The cow is in the barn.”

As you see, you are taking words that the child has said (cow/house/ barn) to form a grammatically correct sentence. By expanding your child’s comments, you help to clarify his or her intentions. For instance, if Aunt Molly heard Patrick say “cow house” but did not see him put the cow into the house, it cannot be assumed that Aunt Molly would know exactly what Patrick meant. Therefore, by expanding Patrick’s utterance, you help clarify his intent.


To extend your child’s comments you have to:

  • Acknowledge and respond to what he has said
  • Add more information to it

For instance:

The child is pointing to a baby and saying “baby cry”.

Extend it by saying:

Yes, the baby is sad.” Or, “Yes, the baby has a boo boo”.

In this example, the extension helped to explain why the baby was crying. Children enjoy when their phrases are extended because it lets them know that adults like to converse with them. They feel that the adult listened to them.


Expanding and extending the child’s utterances increases the likelihood that he will spontaneously imitate your sentence or at least part of it. So, let your child spontaneously try to repeat you. Last but certainly not least, avoid over-using these techniques as too much use can take away from the natural flow of conversation. Remember keep it natural and have fun


Child Development Centre

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