Verb conjugation of "compel" in English

Since my wife is pregnant, we must postpone the trip until tomorrow. I am back again in Poland in June and then I would be very happy to meet you. I will email the exact dates a little later.
I had never heard the phrase before. In America, there are also different idioms than here in England. It seems that the Americans say it differently than we do here in the United Kingdom.
This is a fantastic idea, I am learning German just since last year. I speak, write and read well, and I will improve soon. This site, Vocabulix, I'm visiting often and I am mostly online.