on arrive à l'école
on arriver à école
pro:sub v prep n
on arrive à l'école .
ɔ̃ n WORD_BOUNDARY a ʁ i v WORD_BOUNDARY a WORD_BOUNDARY l e k ɔ l WORD_BOUNDARY
o n WORD_BOUNDARY a r r i v e WORD_BOUNDARY à WORD_BOUNDARY l ' é c o l e WORD_BOUNDARY