Traditional Grammar

Traditional Grammar is the speculative work of the medieval and the prescriptive approach of the 18th Century grammarians basically it refers back to the Aristotelian orientations towards the nature of language as it is shown in the work of the ancient Greeks and Romans.
Origin:
The very beginning of the twentieth century was typically marked by a new approach to grammar as suggested by linguists such as Ferdinand de Saussure and American linguist like Frantz Boas, Bloomfield and Edward Sapir. Their approach is called structuralism whose aim was to arouse a reaction against the approach of the traditional grammarians.
Traditional grammarians considered Latin as their model because English is a part of the Indo-European family of languages, and to which Latin and Greek also belong. It did have similar grammatical elements and Traditional grammar is a term often uses to summarize the range of attitudes and methods found in the period of grammatical study before the advent of linguistic science.
If we study the form of traditional grammar, the rules of classical languages were followed considering that English did not have grammar of its own. And English followed Latin grammar. Besides the parts of speech, traditional grammatical analysis also makes use of numerous other categories, just like 'number', 'gender', 'person', 'tense' and 'voice'.
For example, gender was not natural. It was grammatical in traditional grammar. As we see here "The man loves his bike". Gender, in this example, is used for describing the agreement between 'man' and 'his'. In English, you need to describe this relationship in terms of natural gender based upon a biological distinction between male and female. Such biological distinction is different compared to the common distinction found in languages which employ grammatical gender.

Prescriptive approaches of traditional grammar:
Traditional grammar prescribes (prescriptive means) what people should not to do with language. James