Don't be late ,will you 中don't 后面为什么是be

Don't be late ,will you 中don't 后面为什么是be Don't be late. Don't be late don’t be late Don't be late.为什么用''be'' Don't be late,will you?No ,I won't .I will be there be there You will be late if you don't hurry.同义句You will be late ____ I will be late if you don't()()()(). Don't be late for school,will you?什么 Don't be late for class,_____?A.don't you B.will don't be late again为什么等于could you please not be late again?d Be sure don't to be late next time ,will you 那里错?