Start here: lay out a few blocks and get on the floor with your child. Observe to see what the child does and mimic some of the actions. Take a few blocks and stack them build anticipation as the blocks wobble modeling “woaahhhh”. As the blocks fall off model “uh-oh”, “oh-no”. Model words like “more”, “up”, ”top”.
Adding more: as children are using first words, celebrate those while playing. add one or two words to encourage language expansion. If your child says “up”, smile and say “more up”.