How is your mother today? Be动词为什么用is

How is your mother today?Be动词为什么用is How is your mother today? Be动词为什么用is How is your mother yesterday?这个句子中的be动词是用was还是is? How is your mother today?She's ____.Thanks. how is your mother Is your mother in today?Is your mother today? How is ( are ) your mother 为什么 是 is Your mother how are you feeling today?为什么用feeling how is your mother【英语】 How old is your mother? how is your mother翻译 How is your mother?______.