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.
1.2.is
1.3.is
1.4.is,is
1.5.are
1.6.is
1.7.are,are
1.8.is,is
1.9.is,is,is
1.10.are
1.11.is,is
1.12.are,are