Verb conjugation of "boxen" in German

I ordered a cab at four o'clock in the morning which took me to the Central Bus Station. I was much to early because the bus would go just at seven o'clock. Anyway I was sitting there and listening to music.
I already spoke to Lin, but nonetheless I would like to send you a list of lessons that you could start with. Please login to your Vocabulix account and save the lessons before starting with them.
The door of the car was still open, so that he could not drive away. Luckily, two foreigners walked by and we were asking them to help us out. They payed for us and warned us that these situations were common.