rack one's brains (English, verb)
expansion: rack one's brains (third-person singular simple present racks one's brains, present participle racking one's brains, simple past and past participle racked one's brains)
Senses:
glosses: Alternative form of rack one's brain.
tags: alt-of
alternative
Forms:
form: racks one's brains
tags: present
singular
third-person
form: racking one's brains
tags: participle
present
form: racked one's brains
tags: participle
past
form: racked one's brains
tags: past