The objectives of this thesis were to study the tonal systems and tone sandhi patterns of Swatow Chinese dialects in five regions of Thailand. The data were collected from five regions: Bangkok, Chiang Mai, Phuket, Chon Buri, and Nakhon Ratchasima... in Bangkok and Nakhon Ratchasima; 2) mid falling rising tone can occur in Bangkok, Chiang Mai, and Nakhon Ratchasima. Nakhon Ratchasima Swatow dialect’s tone system and tone sandhi pattern was the most similar to that of the Bangkok Swatow dialect because

The objectives of this research are to compare tonal realizations in Yong in citation form and connected speech and between 2 age-groups as well as to prove whether there is tone sandhi in Yong as proposed by Ruengdet Pankhuenkhat (1978). Six female... that the Lamphun variety of Northern Thai is exerting influence on Lamphun Yong. Tone sandhi in two syllabic words is found only when the second syllable is tone 2 and the first is tone 3. Tonal variation found in this research shows that Lamphun Yong is different