Verb conjugation of "butt" in English

The picture I sent yesterday was taken on the first evening. And this morning the email bounced back. The user has already uploaded 3 different pictures of himself, all with the same facial expressions.
Please explain me the exact differences between British and American .... This year I'm trying to make the TOEFL. We can then discuss how we can prepare for this exam. I failed the first time.
Hi there again. I would love to visit you very much. I will keep that in mind for our next vacation... Your English is very good and I can't imaging that you have just learned it for two years.