“Mamma, voglio milk.”
“Papa, where is my pelota?”
If your child is growing up with more than one language, this kind of mixed sentence is probably part of your daily life. And you may have wondered whether mixing languages is a sign of confusion or language difficulty.
The short answer is: no, mixing languages is not confusion.
Starting a sentence in one language and finishing it in another, or inserting one or more words from another language into a conversation, is called code-switching (you may also see it referred to as code-mixing). It is a completely normal behaviour in bilingual and multilingual children.
Code-switching is the alternation between two (or more) languages within the same sentence or conversation. It is not a mistake, nor is it a sign of language impairment. It is an effective communication strategy.
From a scientific perspective, bilingual children do not have “two separate brains,” but one integrated language system. The languages they know are both active in their brain. When they speak, they quickly select the words that are most accessible at that moment. If a word comes to mind more easily in one language than another, they will use it.
A child’s goal is not to demonstrate linguistic competence — it is to communicate effectively.
Mixing languages can happen for several reasons:
- a word is easier or more frequently used in one language;
- a term is linked to a specific context (for example, school);
- the child knows that the listener understands both languages.
This behaviour does not indicate confusion. On the contrary, it often reflects cognitive flexibility and sensitivity to the communicative context.
Another common concern is: “If my child mixes languages, will they ever learn to keep them separate?”
This is also a myth, rooted in early misunderstandings about bilingualism. Over time and with increased exposure, children learn to adjust their language use according to the situation. They may predominantly use one language with a parent and another with teachers or friends. The ability to adapt grows alongside their linguistic competence.
It is important to remember that bilingualism is not measured by perfection, but by functionality. If your child can make themselves understood, tell stories, ask for what they need, and express emotions, their language system is working.
So when should you worry? Not simply because languages are being mixed. Instead, it is important to look at communication as a whole: comprehension, communicative intent, and language use across different situations.
Code-switching on its own is not a sign of disorder.
Mixing languages is a natural stage in bilingual development. It is not an obstacle, but part of the journey.
If you have concerns about your child’s language development and would like to understand whether what you are observing falls within the normal range of bilingual development — or whether there may be genuine language difficulties — you can contact me for an individual consultation. I offer consultations in Italian, English, and Dutch.
You can find me on Instagram at @logopedistavale or through my website. I will be happy to help you gain clarity.
See you soon,
Logopedista Vale