this tutorial lets you learn almost 4,000 most important english words and more than 2,000 common phrases by using them in conversations on various topics. the vocabulary ensures efficient communication in everyday situations at home, on the street, in class, at work, on a trip, and so on. new words and phrases are highlighted in bold in the text and are listed below each conversation. the tutorial can be used by learners of english as a second language when preparing for english language tests such as toefl or ielts. it might also be useful for teachers of english as a foreign language who wish to create real-life situations in class. all conversations are original and fully written by the author, and edited by david christian in the usa.