Конечно, давайте преобразуем данные предложения в вопросительную и отрицательную форму.
I have breakfast at 8.
- Вопросительная форма: Do I have breakfast at 8?
- Отрицательная форма: I do not (don't) have breakfast at 8.
My friend usually has lunch at school.
- Вопросительная форма: Does my friend usually have lunch at school?
- Отрицательная форма: My friend does not (doesn't) usually have lunch at school.
We have dinner at home.
- Вопросительная форма: Do we have dinner at home?
- Отрицательная форма: We do not (don't) have dinner at home.
He has fish for supper.
- Вопросительная форма: Does he have fish for supper?
- Отрицательная форма: He does not (doesn't) have fish for supper.
She has coffee in the morning but in the evening she has tea.
- Вопросительная форма: Does she have coffee in the morning and does she have tea in the evening?
- Отрицательная форма: She does not (doesn't) have coffee in the morning, and in the evening she does not (doesn't) have tea.
I had a good time last weekend.
- Вопросительная форма: Did I have a good time last weekend?
- Отрицательная форма: I did not (didn't) have a good time last weekend.
They had a good rest at the seaside last year.
- Вопросительная форма: Did they have a good rest at the seaside last year?
- Отрицательная форма: They did not (didn't) have a good rest at the seaside last year.
В вопросительной форме в настоящем времени для третьего лица единственного числа (he, she, it) используется вспомогательный глагол "does", а для всех остальных лиц — "do". В отрицательной форме также используются "do not" (don't) и "does not" (doesn't) в зависимости от лица. В прошедшем времени используется вспомогательный глагол "did" для построения вопросительных и отрицательных предложений.