Many people who are starting to learn English ask this question. You will find the answer in this useful article https://promova.com/blog/how-many-words-do-you-need-to-know-to-be-fluent-in-english and of course, over time you will be able to learn fluently speak English if you have the desire to do so. I simply recommend that you devote at least some time every day to studying English, for example, an hour. And then you will succeed very quickly.