Verb conjugation of "sort" in English

If I see that the case study does not progress as I wish, I will summarize the data myself and let the University sign it. Of course, you will receive the study immediately. All the best meanwhile.
We have learned that some tenses, such as Present Tense are easier and not as complex as others. Is that right? In my opinion, tenses in English are much easier than in the Spanish language.
I am in my German lesson and I'm learning about the subjunctive. I had never heard about it before. Can you ever deal with all Verb conjugations? I just totally misunderstand the past tense!