What do you know about these?Say.in what ciuntries people use english as their mother toongue.in what countries they usebenglish as the second important language.where in the world people are interested in learning english.what countries are englulish-speaking countries.how much english has developed since the 16th century.what variants of english you know in the modern world.what are the most important kinds of english in the 21st century.if speakers of british english and american english can understand each other.if you know the words which mean the same in british and american english