Grammatical exercises, English and French : Containing [I]. All the fundamental rules of French construction, digested and exempli[fied], in a plain, easy, and progressive order. [II]. Idiomatical exercises, on subjects both entertai[ning] and instructive. III. French exercises, with directions, serving to explain divers particles and difficulties of the French language. IV. Sentences, calculated to point out some intricate idioms and gallicisms. To which is added, as introduction to French poetry. By Mr. Porny, french-master at Eton College.