The Audio-Lingual method of teaching had its origins during World War II when it became known as the Army Method. It is also called the Aural oral approach. It is based on the structural view of language and the behaviorist theory of language learning.
The Audiolingual Approach to language teaching has a lot of similarities with the Direct Method. Both were considered as a reaction against the shortcomings of the Grammar Translation method, both reject the use of the mother tongue and both stress that speaking and listening competences preceded reading and writing competences. But there are also some differences. The direct method highlighted the teaching of vocabulary while the audiolingual approach focus on grammar drills