When learning a language, usually we are required to memorize more. But it would be better if we could understand rather than just memorize, because when the knowledge gained only from memorization, slowly but sure, it'll be lost if we not used it. But if we can understand, it'll be use forever.
Exercise is one way that we can apply in daily life. Usually tense forms is used more in speaking and writing skills. So it is better for us to improve that both skills. Occasionally, it's okay to doing the exercise through fun games. And for an exercise, there are 25 questions for you below. I hope you enjoyed it. Fighting!!!