Ответ:
1. I didn't eat breakfast this morning 2. They went to the cinema last night. 3. She saw him in town last week. 4. My father bought a new car a month ago. 5. We swam in the sea for two hours. 6. He didn't drive to work yesterday. 7. Ann came home late from work yesterday.
I, you, we, they, he, she, it + глагол (2 форма)
I, you, we, they, he, she, it + did not (didn't) + глагол (1 форма)
Did + I, you, we, they, he, she, it + глагол (1 форма)