Vietnamese is an isolating language. Isolating vietnamese is deixis the past tense all continuity past tense that’s text reflects relation between writing system The past participle loses the thematic suffix and is in -ul-, unless the root contains either -e- or -o-, in which case it is in -il- (note that (da-)naq-v-a grind, pound has a choice of past participles in either da-naq-il-i or danaq-ul-i). The active participle fluctuates between (i) keeping the thematic suffix in full without other suffixal material and (ii), using the suffix -el-, which is obligatory if the root lacks a vowel. In this case the thematic suffix loses its vowel, and those verbs that place the remnant -v- inside the root in the masdar do so here too. The thematic suffix is usually retained in full inLesson 17 1111 2 3 4 5 6 7 8 9 1011 1 2 3111 4 5 6 7 8 9 20111 1 2 3 4 5 6 7 8 9 30111 1 2 3 4 5 6 7 8 9 40111 1 2 3 44111 305 the future and privative participles (without any other suffix), though some verbs may omit it in the future; verbs without a vowel in the root allow el- as a variant in the privative participle, and its presence motivates the same changes to the thematic suffix as in the active participle. Examples: block (gada-)Gob-v-a: 1 (gada-)m-Gob-av-i 2 (gada-)sa-Gob-av-i 3 gada-u-Gob-av-i 4 gada-Gob-il-i sew (Se-)ker-v-a: 1 (Se-)m-ker-av-i 2 (Se-)sa-ker-av-i 3 Se-u-ker-av-i 4 Se-ker-il-i print (da-)bexd-v-a: 1 (da-)m-bexd-av-i/(da-)m-bexd-v-el-i 2 (da-)sa-bexd-(av-)i 3 da-u-bexd-av-i 4 da-bexd-il-i hide (da-)mal-v-a: 1 (da-)m-mal-av-i 2 (da-)sa-mal-(av-)i 3 da-u-mal-av-i 4 da-mal-ul-i bury (da-)marH-v-a: 1 (da-)m-marH-av-i/(da-)m-marH-v-el-i 2 (da-)sa-marH-av-i 3 da-u-marH-av-i 4 da-marH-ul-i burn (da-cv-[v-]a: 1 (da-)m-cv-[v-]el-i (Note: m-cv-av-e bitter) 2 (da-)sa-cv-av-i/(da-)sa-cv-el-i (Note: sa-cv-av-i fuel ) 3 da-u-cv-av-i/da-u-cv-[v-]el-i 4 da-m-cv-ar-i [sic] defend (da-)Cv-[v-]a: 1 (da-)m-Cv-[v-]el-i/da-m-C-av-i [sic] 2 (da-)sa-C-av-i [sic]/(da-)sa-Cv-el-i 3 da-u-C-av-i [sic]/da-u-Cv-[v-]el-i 4 da-C-ul-i paint (da-)Hat-v-a: 1 (da-)m-Hat-v-el-i (Note: m-Hat-v-ar-i painter) 2 (da-)sa-Hat-av-i 3 da-u-Hat-av-i 4 da-Hat-ul-i plough (mo-)Hvn-a: 1 (mo-)m-Hvn-el-i 2 (mo-)sa-Hn-av-i 3 mo-u-Hn-av-i/mo-u-Hvn-el-i 4 mo-Hn-ul-i kill (mo-)kvl-a: 1 (mo-)m-kvl-el-i (m-kvl-el-i murderer, m(-)kl(-)av-i arm) 2 (mo-)sa-kl-av-i 3 mo-u-kl-av-i/mo-u-kvl-el-i 4 mo-kl-ul-i