not前为什么要加do例如：I do not like

not前为什么要加do例如：I do not like I do not have baseballs.为什么baseball要加s? I do not like doctors医生为什么要加s the children do not get home until 7 pm.中not前为什么加do? If any comments are not clear,please do advise.为什么advise前加助动词do? i do want to change this situation,but i do not know how直接i want to change this situation不就行了么?为什么要加 do? not all students take a bus to school,这句话not前为什么不加do? i do miss u 为什么加DO? i do not come back为什么要加DO我回来 i come back我不回来 i do not come back do 是代表什么啊初学者 能够说的详细点 为什么句子中都用try not to do sth例如I'll try to study harder变为否定句成了I'll try not to study harder.为什么不否定前移了? 动词前为什么可以加do 动词前为什么可以加do I do not,you do I do not know what to reply .请问为什么what 后面要加一个to ,是词组,还是什么语法, i hope you not to do还是do not do为什么 I do not like hard work work为什么不加 ing I do not think he knows Chinese history中的know为什么加s I do feel lonely when I miss you 为什么要加do呢