Verb conjugation of "concrete" in English

Mr. Kohler, Ms. Johansen, in June I will be in Darmstadt for several days and would like to meet you both. Are you in the week of June 16 to June 20 in Germany? I think I also bring gifts.
Take your time to answer me, do the vocabulary exercises and measure your progress! Your answers will be kept in the system itself. After that you can look at the statistics. That's pretty cool here.
Nice to meet you... Yes i need help in Portuguese. I am form Spain and I can help you with my native language if you have email or a phone, so that we can talk directly. Please call me.