Principios de la gramática inglesa

The four basic principles of grammar. - Free Online Library

Here, I propose a mathematically elegant approach: the syntactical relationships among virtually every word, phrase, and clause can be explained given four key principles. In this economy of terms, the mystery--the mysticism--of grammar is dispelled, the functions and forms of grammatical units explained in clear, precise, yet flexible terms. The labyrinth of handbooks is made straight.