I've looked for it
I look for it
pro:sub part prep pro:per
i've looked for it.
aɪ v WORD_BOUNDARY l ʊ kʰ tʰ WORD_BOUNDARY f ɔː ɹ WORD_BOUNDARY ɪ tʰ WORD_BOUNDARY
i ' v e WORD_BOUNDARY l o o k e d WORD_BOUNDARY f o r WORD_BOUNDARY i t . WORD_BOUNDARY