What teaching takes the largest proportion and takes the most time in primary school Chinese?

The teaching of Chinese Pinyin takes up the largest proportion and takes the most time in primary school Chinese. Learning Chinese Pinyin is the basis for learning Chinese. Chinese Pinyin is the key for primary school students to open the door to knowledge and the ladder to the peak of science. Accelerate the pace of literacy with the help of Pinyin. Help reading, read through the text, and lay a solid foundation for high-level and high-grade development.