Вставьте нужную форму глагола tо bе, затем сделайте каждое предложение вопросительным и отрицательным.
1. My friend
reading a book.
2. І
drinking tea.
3. They
making noise.
4. Не
looking through the window.
5. She
helping about the house.​

1) My friend IS reading a book.
2) I AM drinking tea
3) They ARE making noise
4) He IS looking at window
5) She IS helping about the house