broca area
it means that the users of any language can construct sentences never known before, and your listeners can understand what you mean.There is no limit to create any sentences as long as it is grammatical. new thoughts - ideas = new sentences.
Only one of these is a sentence: That's nice of you to say. It's nice of you to say so. If you know which is which, you have knowledge of sentences and non-sentences.
What sentences
AnswerYes you canAnswer:The question is silly. This sentence is silly. You are silly.Three sentences about silly"3 sentences about silly."
frases
Yes,you can do so.
say what?
No some do but mostly no.
yes
Sentences with repeating beginning sounds, or alliteration, are fun to say over and over again.
you can say " She will extend her arm to get her pencil."
You can say, "Catch the ball." as a sentence.