Hung up IS the past tense, of hang up.
The past tense of "hung-up" is "hung-up" or "hung up." Both forms are correct, but "hung up" is more commonly used in American English.
The past tense of hang-up is hung-up.
Hung out
The past tense of "hang out" is "hung out."
If 'hung it up on the tree' is in the past tense, as in 'He hung it up on the tree!', it is correct. If it is in the present tense, then, no, it is incorrect. In the present tense, the correct way of saying it would be, 'hang' or 'hangs', not 'hung'.
The past tense of "hung-up" is "hung-up" or "hung up." Both forms are correct, but "hung up" is more commonly used in American English.
The past tense of hang-up is hung-up.
Hung out
Hung-up the phone.
The past tense of "hang out" is "hung out."
If 'hung it up on the tree' is in the past tense, as in 'He hung it up on the tree!', it is correct. If it is in the present tense, then, no, it is incorrect. In the present tense, the correct way of saying it would be, 'hang' or 'hangs', not 'hung'.
The past perfect tense of "hang" is "had hung."
hanghanginghung
"Hang" can be either present or past tense, depending on the context. "Hang" is present tense (e.g., "I hang my clothes in the closet") while "hung" is the past tense (e.g., "I hung my coat on the hook").
The past tense of "hang" is "hung" when referring to suspending something. Example: I hung the picture on the wall. If referring to someone's death by hanging, then the past tense is "hanged." Example: The criminal was hanged for his crimes.
Hung is both the simple past tense and the past participle of hang.
it is hung