Mandarin takes Beijing pronunciation as the standard pronunciation and northern dialect as the basic dialect-which is consistent with Beijing Mandarin in pronunciation and based on the whole northern dialect-but it is basically a close relative of northeastern mandarin, because although modern Beijing Mandarin is based on Chinese Mandarin in pronunciation, Manchu in Qing Dynasty made many phonetic changes and used Manchu vocabulary, occupying a large number of ancient Chinese vocabulary.
Jilu Mandarin is the closest to Beijing Mandarin except northeastern mandarin. People who speak Dezhou dialect can easily hear Mandarin, and they can basically learn it as soon as they learn it, because Mandarin has always been based on the pronunciation of Han Mandarin, with only some lexical differences. For example, Texas dialect came in the evening yesterday, and the evening was after noon. Evening and afternoon are all ancient Chinese, not dialects without poems and songs. Song Dynasty's "Huanxisha" lyrics: Yuan's "Duliucui" has a 20% discount: "It won't go out on August 15th, but it can go out today on August 16th." Chapters 3 and 4 of Water Margin: "The manager worked hard all day and night at night, but people still can't afford it. Why doesn't the horse feed him? " The night here means yesterday. Modern Han nationality was ruled by Manchu from Northeast China for more than 200 years. Many words in ancient Chinese were deleted from the official language and replaced by words with the same meaning as the ruling nation. So basically can't see in the book, just handed down from generation to generation.
With the popularization of Putonghua, these ancient Chinese characters, which few people can write, will soon live in dialects.