Primary Lessons in Swatow Grammar (Colloquial) was written by Rev.William Ashmore D.D, and published by the English Presbyterian Mission Press in Swatow (Shantou) in eastern Guangdong province in China in 1884. The book is divided into 36 lessons on various topics like pronouns, sentences, adverbs and adjectives, etc., and is a very comprehensive guide to mastering the Tie Chiu (Teochew) dialect for the English speaker.