祈使句用法详解：表厌烦或为耐烦
■典型例句
Do be quiet. 安静点儿吧!
Stop probing! 不要盘根问底了!
Speak quietly, can’t you ? 说话沉稳些，行不行？
Stop fiddling with that TV, will you? 别摆弄那台电视机了，行不行?
