All-Purpose "Thens"

All purpose "thens" to use in "if-thens" (ex. "Polly, this discussion is over. Don't say another word, or you'll cool down in your room." or "Nielson, please turn off the TV and come to supper. If I turn it off, I decide when it comes back on."

• half an hour in their room
• sitting at the table with their head down
• fifteen minutes worth of chores