What you say is important-but so is the way you say it if you find yourself using the same word repeatedly, making embarrassing mistakes in grammar, or misspell and misquote the word of average difficulty, you may affect your chances of success at school or at work-without knowing it!
If you are not satisfied with what your English says about you, test your problem area with this popular and highly effective Handbook one of thirty short chapters Centering attention on grammatical aspects, different usage, spelling and pronunciation, With challenging and often funny exercises to help you monitor your daily progress your important communication skills can increase dramatically, only in fifteen minutes a day, with thirty days to better English