Colloquial English is an easy-to-use course, specially written by an experienced teacher for self-study or class use. It teaches current spoken and written English, as used in the UK, through the medium of English itself. This course assumes a basic...
http://www.newgeneralservicelist.org/
NEW GENERAL SERVICE LIST PROJECT
the most important words for second language learners of English
a New General Service List (NGSL) of 2818 core high frequency vocabulary words for students of English as a...