his legs have fallen off
his leg have fall off
det:poss n v part adv
his legs have fallen off.
h ɪ z WORD_BOUNDARY l e ɡ z WORD_BOUNDARY h æ v WORD_BOUNDARY f ɔː l ə n WORD_BOUNDARY ɒ f WORD_BOUNDARY
h i s WORD_BOUNDARY l e g s WORD_BOUNDARY h a v e WORD_BOUNDARY f a l l e n WORD_BOUNDARY o f f . WORD_BOUNDARY