not to 和 don't 的区别.We are often warned,by our teacher,______waster precious time because time will never return.为什么这里要用not to 而不用don't
问题描述：
not to 和 don't 的区别.
We are often warned,by our teacher,______waster precious time because time will never return.为什么这里要用not to 而不用don't
答
前面是动词的时候用not to ，本句前面是warn后面就要跟not to
don't前面要么是主语，要么是祈使句，直接以don‘t开头
答
谓语动词是实意动词时,用don't 对谓语进行否定；而该句中并非是对谓语的否定,而是对不定式的否定.分析：by our teacher 是插入语,没插入时是：we are often warned to waste precious time,对不定式to waste 进行否...