This article aims to illustrate the use of crowdsourcing in an educational context. The practical part illustrates and provides the results of an online test conducted among 12th grade high school students from Bulgaria in order to gain new knowledge, find out common characteristics among the tenses and revise for their upcoming exams. They along with some interesting and inspiring teaching ideas could be used in an educational environment to provide easier, quicker and more interactive acquisition of a language. The experiment has been conducted by means of Google forms and sets the beginning of the establishment of an annotated corpus of right and wrong uses of the Bulgarian and English tenses too.