Proper noun:
My dog's name is Zoom.
'Zoom' is a proper noun, because it is a name.
Helping verb:
My shoe has a tag on it.
'Has' is a helping verb. There are large lists online of all the helping verbs.
Action verb:
I jump over the cracks in the sidewalk as I walk.
'Jump' is an action verb. Action verbs show an action being done, ex. run, leap, sing, dance, etc.
3 sentences with all three:
Proper noun bold.
Helping verb underlined.
Action verb italicized.