English вопрос)

Поставьте следующие предложения в вопросительную и отрицательную форму:
1. She worked at the library last year. - Did she work at the library last year? - She didn't work at the library last year.
2. He spent his winter vacation in Moscow. - Did he spend his winter vacation in Moscow? - He didn't spend his winter vacation in Moscow.
3. She brought three magazines yesterday. - Did she bring three magazines yesterday? - She didn't bring three magazines yesterday.
4. My sister studied French at school. - Did your sister study French at school? - My sister didn't study French at school.
5. My pupils asked me a lot of questions at the last lesson. - Did your pupils ask you a lot of questions at the last lesson? - My pupils didn't ask me a lot of questions at the last lesson.
6. My mother bought a new suit last week. - Did your mother buy a new suit last week? - My mother didn't buy a new suit last week.
7. My father left for St. Petersburg yesterday. - Did your father leave for St. Petersburg yesterday? - My father didn't leave for St. Petersburg yesterday.
8. He got up at ten o'clock yesterday. - Did he get up at ten o'clock yesterday? - He didn't get up at ten o'clock yesterday.
9. My uncle taught me to swim in my childhood. - Did your uncle teach you to swim in your childhood? - My uncle didn't teach me to swim in my childhood.