Образуйте отрицательную и вопросительную форму и запишите предложения
1 We are cowboys
2 I am happy
3 He is a spy
4 It is a big box
5 They are my parents

1 We are not cowboys.Are we cowboys?2 I am not happy.Am I happy?3 He is not a spy.Is he a spy?4 It is not a big box.Is it a big box?5 They are not my parents. Are they my parents?