is driving the tractor
be drive the tractor
aux part det:art n
is driving the tractor .
ɪ z WORD_BOUNDARY d ɹ aɪ v ɪ ŋ WORD_BOUNDARY ð ə WORD_BOUNDARY t ɹ a k t ə WORD_BOUNDARY
i s WORD_BOUNDARY d r i v i n g WORD_BOUNDARY t h e WORD_BOUNDARY t r a c t o r WORD_BOUNDARY