Verb conjugation of "retire" 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.
The conjugations of verbs are the biggest problem for me. I have never studied Spanish in school, but visited evening classes instead. This year I want to take a full Spanish course.
These may be linguistic and cultural differences. There are indeed various regions throughout Spain and the word choice is not always the same. It is sometimes hard to understand people from other cities.