Mother:What are u doing? Mark:I'm watching TV.请看下句——

Mother：Eat your breakfast.Then watch TV.为什么eat和watch没时态变化？是用了什么原则？

“Are you out of your senses?” said his mother. “What has become of the goat?” Mother:What are u doing? Mark:I'm watching TV.请看下句—— What are your mother doing next week?She is going shopping. what is your mother? What made his mother angry? what can your mother do what ___is your mother do? what does your mother like? what are these ? These are ( )? Are they your father and mother?