But can a boy learn by such means what it is, _to speak and write grammatically_?
In one sense, he can; and in an other, he cannot.

He may derive, from any of these terms, some idea of grammar as distinguished from other arts; but no simple definition of this, or of any other art, can communicate to him that learns it, the skill of an artist.
9.

R.Johnson speaks at large of _the relation_ of words to each other in sentences, as constituting in his view the most essential part of grammar; and as being a point very much overlooked, or very badly explained, by grammarians in general.

His censure is just.

And it seems to be as applicable to nearly all the grammars now in use, as to those which he criticised a hundred and thirty years ago.