Составить два предложения во времени past simple,одно с правильным глаголом ,другое с неправильным глаголом.поставить эти предложения в отрицательную форму и задать 5 типов вопросов(разделительный вопрос,вопрос к
подлежащему,общий вопрос,отрицательный вопрос,специальный вопрос,альтернативный вопрос).

1. Last Saturday I helped my mother about the house.

Last Saturday I did not help my mother about the house.

Did I help my mother about the house last Saturday? (Общий).

Who helped my mother about the house? (Вопрос к подлежащему).

When did I help my mother?(Специальный).

Did I help my mother or my grandmother last Saturday? (Альтернативный).

Last Saturday I helped my mother about the house, didn't I? (Разделительный).

2. He bought a present for Mary yesterday. 

He didn't buy a present for Mary yesterday. 

Did he buy a present for Mary yesterday? (Общий).

Who bought a present for Mary yesterday? (Вопрос к подлежащему).

What did he buy for Mary yesterday? (Специальный).

Did he buy a present fir Mary or for Kate yesterday? (Альтернативный).

He bought a present for Mary yesterday, didn't he? (Разделительный).