Составить 5 предложений с советами, как учить иностранный язык используя if и in case.

It is important to learn languages to date. English is the world language, spoken by many people and countries. Some teach English for work, some for their own interest. I know that the English language is used in certain professions related to Linguistics in General. Today, knowledge of a foreign language is a necessary thing to get a good job. To be a well-known public figure, you have to know English very well. In the future I want to become a diplomat, to do this you need to know English and many other languages fluently.