A: (1) Individual teaching. This is the oldest form of teaching organization, and its typical form is private school education. Its fundamental feature is "one-to-one (or several)" personalization, which can fully realize teaching students in accordance with their aptitude and fully take care of students' individual differences. (2) Class teaching system. This is the basic organizational form of modern teaching activities and the object and focus of the reform of contemporary teaching organizational form. Its fundamental feature is "one-to-many", that is, a teacher teaches multiple students in the classroom at the same time. (3) Compound teaching and on-site teaching. 1, compound teaching. Features: direct teaching and students' self-study or homework alternate. Due to many subjects, less lecture time and heavy teaching tasks, there are complicated requirements for the organization of teaching process, the allocation of teaching time and the handling of teaching order when preparing lessons. 2. On-site teaching. Features: It is helpful for students to gain direct experience, deeply understand theoretical knowledge and make teaching colorful. Enrich students' emotional world and improve their ability to solve practical problems.