Does she teach English?does换is 行吗,为什么

Does she teach English?does换is 行吗,为什么 does she teach English? 照样子写一写 Does she teach English?No, 什么时teach 后不用加 es?为什么 “does she teach English?” teach后不用加 es? 比如说She does not understand English.这里面为什么不用She is 而用she does she is English后面为什么不加does? Does she teach you math? Who does teach you english对吗?若不对,为什么? how many classes does she teach each day?为什么cla Does he teach English?(做否定回答) Does he teach English?改为陈述句 Does he teach English改为陈述句