Для того чтобы образовать отрицательные и вопросительные предложения из данных утверждений, необходимо использовать вспомогательный глагол "to be" в соответствующей форме (am, is, are) и отрицательную частицу "not" для отрицательных предложений. Для вопросительных предложений вспомогательный глагол "to be" ставится перед подлежащим.
The boys are running about in the garden.
- Отрицательное: The boys are not running about in the garden.
- Вопросительное: Are the boys running about in the garden?
I am doing my homework.
- Отрицательное: I am not doing my homework.
- Вопросительное: Am I doing my homework?
John and his friends are going to the library.
- Отрицательное: John and his friends are not going to the library.
- Вопросительное: Are John and his friends going to the library?
Ann is sitting at her desk. She is studying geography.
- Отрицательное: Ann is not sitting at her desk. She is not studying geography.
- Вопросительное: Is Ann sitting at her desk? Is she studying geography?
A young man is standing at the window. He is smoking a cigarette.
- Отрицательное: A young man is not standing at the window. He is not smoking a cigarette.
- Вопросительное: Is a young man standing at the window? Is he smoking a cigarette?
The old man is walking about the room.
- Отрицательное: The old man is not walking about the room.
- Вопросительное: Is the old man walking about the room?
The dog is lying on the floor.
- Отрицательное: The dog is not lying on the floor.
- Вопросительное: Is the dog lying on the floor?
He is having a break.
- Отрицательное: He is not having a break.
- Вопросительное: Is he having a break?
We are studying Japanese.
- Отрицательное: We are not studying Japanese.
- Вопросительное: Are we studying Japanese?
My mother is lying on the sofa.
- Отрицательное: My mother is not lying on the sofa.
- Вопросительное: Is my mother lying on the sofa?