3 упражнение 1are siting 2 is studying 3am working 4are eating 5is having
4 упражнение 1are not siting 2 is not studying 3am not working 4are not eating 5is not having
5 упражнение 1 are you doing a test? Yes, i am doing 2is your teacher sleeping? No, she is not sleeping. 3are your friends studying? Yes they are studying 4is it raining today? No it is not raining 5are your classmates singing? No, they are not singing. 6is your dad working? Yes he is working