1) Утвердительная форма: Alice had a sister.
Вопросительная форма: Did Alice have a sister?
Отрицательная форма: Alice did not have a sister.
2) Утвердительная форма: Ann was a student.
Вопросительная форма: Was Ann a student?
Отрицательная форма: Ann was not a student.
3) Утвердительная форма: She went to the institute in the morning.
Вопросительная форма: Did she go to the institute in the morning?
Отрицательная форма: She did not go to the institute in the morning.
4) Утвердительная форма: Sometimes they took a bus.
Вопросительная форма: Did they take a bus?
Отрицательная форма: They did not take a bus.
5) Утвердительная форма: She spoke English well.
Вопросительная форма: Did she speak English well?
Отрицательная форма: She did not speak English well.
6) Утвердительная форма: Her friends usually called her at about 8 o'clock.
Вопросительная форма: Did her friends usually call her at about 8 o'clock?
Отрицательная форма: Her friends did not usually call her at about 8 o'clock.