We're always reading our child's noises, babbles, body language, facial expressions and movement to guess what they want and respond. If you learn to INTERPRET and SPEAK FOR THEM before you do what they want, you're giving them the words they need for next time.
HOW? Think about what your little one is trying to communicate and then interpret what you think they mean. Use FIRST PERSON language to speak for them, as if you are them. For example if you hand your child their water bottle and they shake their head, say "I don't want it".
WHY? Interpreting your child's message shows them that you've understood. We all want to be understood! It also teaches the words that they can use when they're ready to do so. I always recommend first person language (talking as if you are them) because in that water bottle situation, we wouldn't want them to say "you don't want it" we want them to say "i don't want it".
WHEN? As often as you can!!!! I do this with every interaction and with everyone's child! I can't help myself! #gamechanger