What is the past tense of hang up?

The simple past tense of the phrasal verb hang up is “hung up” (e.g., “He called yesterday, but I just hung up”).

On a related note, if you’re not sure whether you should use hung or hanged as the past participle or simple past form of the verb “hang;” “hung” is always correct, except when you’re referring to “death by hanging.”

QuillBot’s free Grammar checker will help you to select the correct form of tricky verbs like “hang up.”