'Gonna' must be followed by a verb. We can also shorten 'want to' to 'wanna', and 'got to' to 'gotta'. In 'gonna', 'wanna' and 'gotta', the word 'to' becomes this sound – /ə/ and the stress is always ...

At the word level we look for particular patterns of errors that may provide information ... For example, distinctive feature terminology is valuable when describing visual information on a speech ...