Глаголы, данные в скобках, поставьте в соответствующее лицо и число в Present Simple.

1. Mr. Black (to be) a professor of mathematics.

2. I (to be) a student too.

3. All the pupils (to be) present today.

4. English (to be) difficult for me.

5. I (to be) at the lecture now.

6. We (to be) free in the evening.