1.can't 与 don't 的区别2.为什么有的用at school 有的用in school?3.什么是情态动词?什么是动词不定式?4.为什么有的是Don't eat in the classrooms有的是clean the classroom?

I don't 与 I can't 的区别 don't与can't的区别,怎么用? 祈使句can't与don't的用法can't后面跟什么don't后面跟什么can't与don't的区别 can,t与don,t区别,didn,t与could,t区别 can 和 don't 的区别 请问,don't与can't的区别与用法分别是什么? couldn't与can't的区别! can't与couldn't的区别 am not,aren't,isn't,can't,don't,doesn't.的区别及用法. don't worry与don't worried的区别 don't can't区别,I don't eat an apple和I can't eat a apple的区别 can can't must mustn't have to don't have to的区别 can,can't,must,mustn't,needn't,be allowed to,have to,don't have to的区别 can't与cannot的区别是什么? I don't can find it和I can't find it的区别 1.can't 与 don't 的区别2.为什么有的用at school 有的用in school?3.什么是情态动词?什么是动词不定式?4.为什么有的是Don't eat in the classrooms有的是clean the classroom? can`t与mustn`t意义和用法的区别 don't 和can't 有什么区别什么时候用can't,什么时候用don'tt