To check if you have this pattern, you can try saying some words with your hand in front of your mouth to see if you feel the air releasing.
people, put, park
table, totally, take
kid, capable, could
To change this accent pattern, try practicing on common words with these sounds:
put, point, past, please, project, program
take, talk, today, try, ten, text
can, come, could, keep, car, call
For even more practice, consider a free trial of one of our online courses.