be, sit, stand
rows of children sitting upright at their desks

come, jerk, shoot, spring
Slowly the boat came upright.
Polly jerked upright, wild-eyed and blinking.

remain, stay
The flag pole wouldn't stay upright.

haul sb/sth, heave sb/sth, jerk sb/sth, place sth, prop sth, pull sb/sth, push sb/sth
Pulling himself upright, he squared his shoulders.

hold sb/sth, keep sth

completely, fully, perfectly
a fully upright posture

almost
relatively
rigidly, stiffly
She held herself rigidly upright.

sit bolt upright, stand bolt upright (= to sit/stand with your back straight)
He was sitting bolt upright on his chair, looking very tense.

Upright is used with these nouns:
citizen, piano, position, posture, stance

Upright is used with these verbs:
jerk, sit, stand, walk