The sentence pattern "shi......de" is an universal grammar structure, and it is also the emphasis and difficulty in teaching Chinese as the second language. This paper expound on the ontology of "shi......de". Take Bulacan State University for example, to study the acquisition condition of ordinary university students in the Philippines of "shi......de", sum up the types of errors. Then analyze the reasons of these errors. Ontology research provides a strong theoretical basis for teaching, the results of acquisition research have important reference to teaching practice. At last take the task-based teaching method as the theoretical basis to sum up the effective teaching methods. At the same time, do the detailed teaching process of one of these classes. |