Выполните задание и объясните почему вы так составили предложение
Present continuous​

1 Are you doing a test? Yes, I am.

2 Is your teacher sleeping? No, she isn't. (или No, he isn't - если учитель - мужчина)

3 Are your friends studying? Yes, they are.

4 Is it raining today? No, it isn't.

5 Are your classmates singing? No, they aren't.

6 Is your dad working? Yes, he is.

**Present Continuous образуется с использованием формы глагола to be (am/is/are) и причастия наст. времени (глагол+ ing).

Нужно помнить, когда используются формы глагола to be:

I am

He/she/it is

We/you/they are