A person may rack a brain.Logical formLearned from404 sentences. A person may rack brains.Logical formLearned from165 sentences. A male may rack a brain.Logical formLearned from85 sentences. Forums may be wracked with (performance issues).Logical formLearned from60 sentences. A female may rack a brain.Logical formLearned from56 sentences. A male may rack brains.Logical formLearned from54 sentences. Persons may rack brains.Logical formLearned from50 sentences. A person may be wracked.Logical formLearned from48 sentences. A person may rack.Logical formLearned from46 sentences. A nerve may rack.Logical formLearned from30 sentences. Nerve may rack.Logical formLearned from28 sentences. Sobs may rack a body.Logical formLearned from27 sentences. A male may be wracked with guilt.Logical formLearned from26 sentences. A male may be wracked.Logical formLearned from26 sentences. A person may be wracked with guilt.Logical formLearned from26 sentences.