Can you judge the synchronic or diachronic orientation just from the titles? 你能从书名判断著作的研究倾向是共历时的吗? (1)English Examined:Two Centuries of Comment on the Mother-Tongue (2)Protean Shape:A Study in Eighteenth—Century Vocabulary and Usage (3)Pejorative Sense Development in English (4)The Categories and types of Present-Day English Word-Formation (5)Language in the Inner City:Studies in the Black English Vernacular