На картинке переведите пожалуйста примеры в правиле

Задание : 1.b 2.b 3.b 4.a 5.b Предложения проще простого I'm not a doctor, am l? I'm not a teacher, am l? She is a pupil, isn't she? It is a dog, isn't it? It is not a tiger, is it?