English is the most commonly spoken language in business. It is used throughout the world. If two persons meet of different nationalities, it is more than likely that they would choose English as their common language to communicate over and above any other language.
With the outsourcing of business services, the use of the English language has increased in use. The people of many countries in Asia, Africa, and South America are not only learning English, but are mastering the language. With this language ability is an increased access to job opportunities, and in particular positions paying a higher salary. Many students are studying English as their major in college and then studying a specialization after this initial study investment.

There are many jobs that require a high level of English proficiency as a minimum entry requirement. English is needed to just get an interview, but to be accepted into the job, a higher level of English is needed. This English ability is tested and training is highly recommended to pass the requirements. Afterwards of course you will receive technical training but not in English proficiency.

Sometimes it is poor listening skills that cause a person to be not great at speaking English, even after many years of study. The art of communication, in any language, requires a person to speak, another to receive the message, the message to be interpreted and comprehended, and the recipient to provide feedback. If you are having difficulty at being understood or passing English tests then look at all these elements in relation to your language speaking. You may find that your difficulties are due to listening skills rather than a comprehension of the language and grammar. If this is the cause, then targeted training focusing on listening to word enunciation may be of higher value to you and result in a turnaround in your ability as measured by tests.

An improvement in communication skills will result in you being able to better communicate in all languages that you know. You will find that your appreciation of your native language will improve. Your understanding and interpretation of messages will become clearer.