#1 - Threshold: The basic course includes two books, which include phonetics, common vocabulary, sentence patterns, and simple daily communicating expressions. After this course, you will master 800 words and start conversation in short and simple sentences. 15 lessons in total for each book.
#2 - Elementary: This course is suitable for the learners who have the basic ability of listening and speaking with the knowledge of simple sentence pattern and 800 words. With the goal that foreign students can use accurate Chinese in social communication, the author compiled this textbook with a theme of life and work of foreign friends in China, and the class is oriented by dialogue. After this course, students can master more than 1600 words and be able to communicate in basic conversation in daily life. 25 lessons in total.
#3 - Improved: This course will be a good choice for learners who have the basic ability in listening and speaking with a vocabulary of more than 1600 words. This learning material collects abundant slang and idioms which will be helpful to make the student proficient in Chinese. After this course, students will have a good command of 2500 words and be able to express their idea naturally and fluently in long sentences. 25 lessons in total.
#4 - Intermediate: This course is suitable for students that have mastered over 2500 words and commonly used grammar in reading and listening. This course covers special spoken Chinese sentence patterns and vocabulary which have special grammatical function. These items include complicated communication items related to life, study, work, society and culture. After this course, students will be able to express their idea with more complicated sentences and have a good command of 3500 words. 14 lessons in total.
#5 - Advanced: The advanced course is suitable for learners who have reached the average level in speaking and listening, and have mastered 3500 words. The course covers content like complex grammar, social-culture, and professional. Each class will start with a topic which focuses on training students' ability of expressing their own attitude completely. After this course, students can master more than 4000 words. 20 lessons in total.