Преобразуйте предложения в вопросительную, отрицательную и утвердительную формы...

Question

Преобразуйте предложения в вопросительную, отрицательную и утвердительную формы continions
they are working at the scientific problems at present.
he was waiting for you yesterday at 3 o'clock.
she is translating a german article now.
they were listening to the lecture yesterday at 6 o'clock.
he will be preparing for the exam tomorrow all day long.

Answer 1

They aren’t working at the scientific problems at present.
Are they working at the scientific problems at present?

He wasn’t waiting for you yesterday at 3 o'clock.
Was he waiting for you yesterday at 3 o'clock?

She isn’t translating a German article now.
Is she translating a German article now?

They weren’t listening to the lecture yesterday at 6 o'clock.
Were they listening to the lecture yesterday at 6 o'clock?

He won’t be preparing for the exam tomorrow all day long.
Will he be preparing for the exam tomorrow all day long?

Answer 2

1. They are working at the scientific problems at present.
They aren`t working at the scientific problems at present.
Are they working at the scientific problems at present?

2.He was waiting for you yesterday at 3 o'clock.
He wasn`t waiting for you yesterday at 3 o'clock.
Was he waiting for you yesterday at 3 o'clock?

3. She is translating a german article now.
She isn`t translating a german article now.
Is she translating a german article now?

4.They were listening to the lecture yesterday at 6 o'clock.
They weren`t listening to the lecture yesterday at 6 o'clock.
Were they listening to the lecture yesterday at 6 o'clock?

5.He will be preparing for the exam tomorrow all day long.
He won`t be preparing for the exam tomorrow all day long.
Will he be preparing for the exam tomorrow all day long?