1. Change the statements into negative sentences: a. I ate a sandwich for breakfast b. Jonas lost his backpack. c. My mother prepared dinner. d. Simon went to University. e. The teacher gave us a test

a. I didn't eat a sandwich for breakfast. b. Jonas didn't lose his backpack. c. My mother didn't prepare dinner. d. Simon didn't go to University. e. The teacher didn't give us a test. Объяснение: Чтобы составить отрицательное предложение в Past Simple, используется вспомогательный глагол "did" + "not" (didn't) и инфинитив основного глагола без частицы "to".