“是……的”句型是现代汉语中的使用频繁且重要的句式。“是……的”句型句式多、语义丰富、语法功能多样,所以在对外汉语教学中留学生出现错误的频率很高。因此,“是……的”句式在外国学习者汉语学习的初、中、高阶段都是极其重要的语法点。 The pattern of “is ...” is a frequently used and important sentence in modern Chinese. “Is ... ” sentence patterns and more semantic rich, grammatical and functional diversity, so foreign students in teaching Chinese have a high frequency of errors. Therefore, the sentence pattern of “is ......” is the most important grammatical point in the early, middle and high stages of Chinese learning by foreign learners.