Question

Do she teaches math?（动词加了es,do不用加es） No,she do not （没有es的单词,

Answer 1

实意动词在变疑问句时或否定句的时候,要用助动词does、do、did 帮助实意动词转换句型: 如：

Does she teach math? Yes, she does. No, she doens't.

Do you like English? Yes, i do. No, i don't

Did he call me just now? Yes, he did. No, he didn't.