Verb conjugation of "abound" in English

It would be an advantage if you could send it via DHL, UPS or another Currier, because the parcel was lost once when we sent it with regular mail. Please send me a reference number after you send it.
You can return the favor and help me too. We will acquire the new language together. I like to learn Spanish. Since high school, I have learned much more but it has been more than 20 years ago.
There are great museums if you like art. The most important is the Van Gogh museum. There are good restaurants and bars in the center, it is very international. I hope we can stay in touch.