Knowing English has become almost a mandatory requirement nowadays as it is a universally spoken language. Without knowing English it is not even possible to go on a tourist trip to the English speaking countries as even a small thing like calling a taxi would be a painful task. Many English audio courses and English course online are available. If you do not have the time to go to contact classes then this is the best option. 1-language.com offers a number of tutorials, tips and online tests that would help anybody learn the language easily. Also as it is over the internet it can be learnt anytime according to the convenience of the learner.