He can show that, in conversation, we sometimes couple this Natural Language of tone and gesture with our language of words, in order to make a stronger impression.
Only the third, and a few of the second, subdivision of the second section of the above classes of signs can be excluded when talking of signs as being the deaf-mute's natural language.
Natural language has a built-in experience of space and time; programming languages contain experiences of logical inference or of object-oriented functioning of the world.
A controlled language is a subset (constrained in its vocabulary, grammar, and style) of a natural language adapted to a certain activity.
Their functions are different from those of natural language, which by all means still constitutes a medium for human interaction.
Such being the nature of these differences, they cannot be expressed in natural language, therefore not described; for the thoughts of angels, being spiritual, do not fall into natural ideas.
But readers will say: "It is all very well to show by a comparison of forms that Esperanto ought to be much easier than a natural language.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "natural language" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.