When you speak English, one of the things you must think about is relationships. Who are you talking to? How well do you know them? What is the situation?
It is useful, especially in business situations, to be formal. In most native-English speaking cultures, business relationships start formal then become more informal as the relationship develops.
Everybody needs to change a time to meet sometimes. In this post, I’ll show you some formal and informal ways to reschedule your plans.
I know that the books are no longer new but there are still ways that Harry Potter can help your English study. You can learn new words and get familiar with different styles of English.