Syntax – This is the correct way of expressing your ideas. If you say, “American paper currency is green,” you’re making a statement. If you ask a question, you must switch the order of the subject and the verb. If you make a mistake, people won’t know if you’re saying something, or asking them to give you an answer. “Is the British pound green, too?”
English is indispensable for your education, careers and self-edification. Learning keeps you young. The English you speak and write tomorrow is the English you study today.