She is never late for school,late为什么不加s

She is never late for school,late为什么不加s Kate's never late for school,is she? She's never late for school,_____she? be late for school get to class late 这里 的两个名词为什么不加s? she's never late for class-( )she is always early i never been late for school为什么加been jack's never late for school,is he?为什么最后写is　he? Jack is always late for school.谓语动词是is非谓语动词为什么不加s never late for school Tom is never late for school,____? He is never late for school,_________? he‘s never late for school 改成反义疑问句he‘s never late for school