Verb conjugation of "embarrass" 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.
I had a few problems with my Mac. I guess I will have to buy a new one in the near future. I have already found the right product, and I will soon order it from the local hardware dealer.
Now I am learning by other means, such as reading and writing. I can not begin with conjugation training because I lack the basic knowledge. How are you learning at this site and which is your best lesson?