5、thers?No,wecan’t.fightfightwiths.b.和某人打架Don’teatintheclassroom.Don’tplaybaskrtballintheclassrooms.Don’tfight.Wecaneatinthedininghall.Wecanplaybasketballoutside.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
7、Don’tlistentomusicoutside.Doyourhomeworkatschool.Don’tdoyourhomeworkatschool.如:Look out!小心!Wait here for me!在这等我!Be sure to come here on time!务必准时来到这里!祈使句的否定形式多以do not(常缩写成don’t)开头,再加上动词原形。Don’t arrive late for school.上学别迟到。