Hung is both the past form, and the past participle, of hang (as in hang up a telephone), so you can say: (a) I hung up the phone. In this use, as in sentences (a) and (b) above, hang up is a separable phrasal verb. read more
Hung is the past tense and past participle of hang in most of that verb’s senses. For instance, yesterday you might have hung a picture on the wall, hung a right turn, and hung your head in sorrow. The exception comes where hang means to put to death by hanging. read more
The past tense of hang up is hung up. The third-person singular simple present indicative form of hang up is hangs up. The present participle of hang up is hanging up. read more
Yes, there are two words for the past tense of 'hang'. Sorry about that. read more