精通美語語音二：Track15

Exercise 1-46: Regular transitions of nouns and verbs
    In the list below, change the stress from the first syllable for nouns to the second syllable for verbs. This is a regular, consistent change. Intonation is so powerful that you'll notice that when the stress changes, the pronunciation of the vowels do, too.
    Nouns Verbs
    An accent to accent
    A concert to concert
    A conflict to conflict
    A contest to contest
    A contract to contract
    A contrast to contrast
    A convert to convert
    A convict to convict
    A default to default
    A desert to desert
    A discharge to discharge
    An envelope to envelope
    An incline to incline
    An influence to influence
    An insert to insert
    An insult to insult
    An object to object
    perfect to perfect
    A permit to permit
    A present to present
    Produce to Produce
    Progress to Progress
    A project to project
    A pronoun to pronoun
    A protest to protest
    A rebel to rebel
    A recall to recall
    A record to record
    A reject to reject
    Research to Research
    A subject to subject
    A survey to survey
    A suspect to suspect