Spilled or spilt.
The word "upset" isn't a verb. You can be upset, but the verb would be "be." Therefore, "upset" can't have a tense.
"Upset" if translated to Tagalog will be "nainis", or "nabwisit".
Yes, in Yiddish the word for upset is "אָנגעהויבן" (ongehoiben).
Another word for appear is seem. They did not appear upset. They did not seem upset.
more upset
Yes, the word 'upset' is an abstract noun as a word for an unexpected result in a competition, or an emotional state of being unhappy, disappointed, or worried. The word 'upset' is also a verb and an adjective.
happy
yes
No. "Upsetted" is not a proper usage of the word "upset." If you need to say something made you upset in past tense, saying "upset" is still the correct form of usage.
Upset ?
UPSET
upset or sad