Помогите пожалуйста !!!! Задайте общие вопросы к данным предложениям и дайте на них краткий утвердительный и отрицательный ответы , поставьте данные предложения в отрицательную форму. 1)Tom is a doctor. 2) They are students. 3) He is at school. 4) This is my pen. 5) These are tables.

is Tom a doctor?yes,he is;no,he isn'tare they students?yes they are;no,they aren't is he at school?yes,he is;no,he isn'tis this your pen?yes ,i am;no,i'm notare these table?yes,it is;no,it isn'tTom is not doctorthey are not studentshe is not at schoolthis is not my penthese are not tables