Though many French tenses have direct English equivalents, many don’t. French conjugations are not usually intuitive to English speakers. When you’re learning a new language, though, you have to. If you’re an adult native English speaker, you probably spend very little time, if any at all, thinking about English verb conjugations. Conjugations are rules about how you say a verb depending on the tense, mood, and subject of a sentence.
If your goal is to be fluent in French, you’re going to have to make peace with verb conjugations.