Mikael-Pyae Sway

What’re the best and most recommended books to learn American Grammar? What’re the best and most recommended books to learn Canadian Grammar? What’re the best and most recommended books to learn Australian Grammar?

What’re the most common and comprehensive regional dialects in the States? What’re the most educated dialects in the States? What’s the most standardized regional dialect in the States?

What’re the most common regional English language forms in America? What’s the most standardized English language form in America?