Ответ:
- My mother is playing the piano now.
- A: What are you doing, Mary?
B: I am doing my homework.
- The girls are not running now. They are reading a book.
- Listen! The birds are singing.
- Look! The boys are jumping.
Проверка за 10 секунд: В Present Continuous используем форму глагола to be (am, is, are) + глагол с окончанием -ing.
База: Present Continuous (настоящее продолженное время) используется для описания действий, происходящих в момент речи.