English (v) poses greater problems for Thai speakers as this sound
does not occur in Thai at all, either in syllable initial or syllable final position.
Thai speakers are likely to substitute [w] in initial position as in "vast" and
"very," and substitute [p], [f], or [0] in syllable final position as in "save,"
"halve," and "live" (Tippawan 1981). Furthermore, they will have particular
difficulties distinguishing such minimal pairs as "safe" and "save," "half" and
"halve."
While