Exercise 1. Insert the verb to be in the Present Simple: 1.1 Не ... a student. Не ... a good student. 1.2 His father ... a doctor. 1.3 My mother ... not a teacher. 1.4 ... your sister a pupil? – Yes, she ... . 1.5 They ... at h...

Exercise 1. Insert the verb to be in the Present Simple: 1.1 Не ... a student. Не ... a good student. 1.2 His father ... a doctor. 1.3 My mother ... not a teacher. 1.4 ... your sister a pupil? – Yes, she ... . 1.5 They ... at home now. 1.6 This ... my house. 1.7 ... they at school? – No, they ... not at school. 1.8 ... your father a pilot? – Yes, he ... . 1.9 Nick ... not a student. He ... a pupil. He ... at school now. 1.10 These men ... drivers. 1.11 My friend ... an engineer. He ... at work. 1.12 ... your parents at home? – No, they ... not.