... to learn word lists, grammar, evaluate writing, and convert text to speech English is a moderately difficult language to learn for several reasons One, estimates of the number of words in the English ... it, make suggestions, add documentation, and test the code for bugs There are many sites [2] on the Web to learn English vocabulary, grammar, writing, and reading At the end of each chapter, a ... pronunciation, vocabulary, and comprehension Reading is similarly evaluated, except that a student must know the alphabet and spellings of words Most students learn a vocabulary of several thousand words...