Verb conjugation of "fell" in English

Regarding the meeting in early May: I could not reschedule the appointment at my daughter's doctor and I will definitely know if I can come during the first 2 weeks. I guess we should talk next week.
Thank you for your inquiry. Your Italian is very good. How long have you learned it? Last year I studied Spanish, which is very similar to my native Italian, but it also confuses you sometimes.
I teach at the university of natural sciences. I have studied at the ETH in Zurich. At that time I started learning Spanish and I found Vocabulix. Since then I'm using it regularly with joy.