We can't wear hats in school.(在can后加not表否定即可)Don't eat food in class.（no开头是一种祈使句,所以应用don't）What time does she have to be in bed ?（原句译为：她必须在十点前睡觉,问的是具体时间）Don't be（否定句的祈使句以don't开头,剩下作为动词的be仍应为原型）希望你能采纳我的答案哦~如有不懂还可再问哦~O(∩_∩)O~
We can't wear hats in school.(在can后加not表否定即可)Don't eat food in class.（no开头是一种祈使句,所以应用don't）What time does she have to be in bed ?（原句译为：她必须在十点前睡觉,问的是具体时间）Don't be（否定句的祈使句以don't开头,剩下作为动词的be仍应为原型）希望你能采纳我的答案哦~如有不懂还可再问哦~O(∩_∩)O~