Most students of Spanish struggle with verbs in Spanish. This is mostly due to the large amount of conjugations that they have to learn. But also, some problems are due to the confusion of some Spanish tenses.
Here you will find posts about the Spanish tenses students have the most problems with, such as preterite and imperfect.
All my posts are written in an understandable manner and explain the most essential of each topic. I want you get the general concept then, focus on practice. In my experience, with practice you finally get it.
Confused about when to use preterite vs imperfect in Spanish? Here is a mini-lesson about the main differences between the two tenses.