4、theclassrooms.Don’tfight.Wecaneatinthedininghall.Wecanplaysportsoutside.Wecan’tfightwithothers.1.祈使句是表示请求、命令、叮嘱、号召、劝告等的句子;通常省略主语you;句中谓语动词用动词原形;句尾一般用降调;祈使句的开头是动词原形。祈使句有肯定和否定两种:e.g.Look out!小心!Wait here for me!在这等我!GrammarComein,please!请进!Sitdown,please.请坐。Let'sgohome.我们回家吧。否定的祈使