1. I need to take tomorrow off to run an errand.2. I need to request an hour off tomorrow to go get my medication.3. I need to take a personal day off tomorrow.4. Graduate students should not ask for personal leave longer than one month cumulatively in one semester.
 take some time off; request some time off take a personal day off ask for personal leave“他今天請事假” 可說 He took today off. “他請一個禮拜的假” 可說 He is taking a week off.