Don't eat ice-cream. 不要吃冰激凌! 不要跌倒!Don't fall down.做作业!Do homework. 不要忘记!Don't forget.

1.---Don't run near the hot water.--- OK.2.---Watch out, everyone. ---All right. 祈使句是用来表示命令、请求、指示等的句子,肯定句常用动词原形开头, 否定句用Don't+动词原形开头，如:Get up, Sam! Don't watch TV for too long.