This course has been designed to meet the requirements of students whose mother tongue is not English. Its main purpose is to help to correct the common mistakes to which foreign learners of English are liable. The method adopted throughout this work is uniform. All the errors dealt with are singled out, or they have to be recognized before they can be corrected, then correct forms are substituted for incorrect ones. Finally, simple explanations are given wherever necessary to justify particular usages. exercises are sets at the end to ensure that the principles may become firmly fixed in the students mind.

The difficulties tackled are real, and the examples are representative of the mistakes commonly made by foreign students of English being the result of observations made over a long period of time. much care has been given to the preparation of this course. Now, let's get started.