English in classroom

The reason for using English in the class are for communication in En English  in a  beginners class,gesture and tone of  voice are at first more important than the actual words or phrase used to hearing nothing but English spoken during their English lessons.They will very soon understand and later learn to say words.When students are learning the specific language items being taught in the lesson. Students will also be practicing unconsciously a number of language skills-learning how to listen,picking out key words and beginning to think in English for themselves. While doing so,they can reduce the amount of interference from their mother tongue (L=a,b) A class  taught English mainly in English.,will have learn t how  to listen to the flow of English  to infer points from in notation and stress .They will be familiar with using the language for two way communication- asking as well as answering questions also they will have extra practice in the structures they have been taught language.Language is much better learn t through real use than through pattern, drills and exercise to 'sum up' using English in an English class can broadly be categorized in two purpose.One of them is to conduct overall activities in English for English class and to avoid the use of local language by providing greater exposure to English.Generally Speaking. classroom English is the variety of English that teachers has to do a range of functions and organize activities, for the purpose, the teacher needs appropriate language in accordance with the classroom compositions, aims of the lesson,relevant materials functions of language,nature of tasks and organizations of the activities desirable to creating and English atmosphere.These will obviously come in a lesson .In order to manage all these segments of the lesson a teacher would use /her/ his English language as a medium of expressions. The same medium  of English phrase and expressions used in the class. by the teacher is teaches in the classroom. 
 It can be used in teaching the lesson the lesson itself.Introducing a lesson,giving examples,or text, asking questions giving explanations ,arguing, commenting , etc.It can also be used  for activities which 'surround' the lesson: checking the attendance , telling students where to sit,controlling the class, chatting to students, giving instructions etc.Therefore we can prof that English is in classroom and others places.