Past Simple vs Present Perfect 1. I'm hungry. I didn't eat / haven't eaten anything today. 2. Grandma visited / has visited us last weekend. 3. Look! Tomek broke / has broken his arm. 4. Sorry, Sir. I forgot / have forgotten my homework. 5. Mrs Ziarko worked / has worked at this school for 5 years. 6. Uncle Tim was / has been in hospital since Friday. 7. Did you / Have you ever read a book in English? 8. They never lived / have never lived in a big city. 9. We didn't clean / haven't cleaned our room. It's really messy. 10. Ola wrote / has written a Maths test last week.

1. I'm hungry. I haven't eaten anything today. (Present Perfect, так как действие произошло в период, который еще не закончился - сегодня.) 2. Grandma visited us last weekend. (Past Simple, так как указано конкретное время в прошлом - last weekend.) 3. Look! Tomek has broken his arm. (Present Perfect, так как важен результат на данный момент.) 4. Sorry, Sir. I have forgotten my homework. (Present Perfect, так как результат влияет на настоящее.) 5. Mrs Ziarko has worked at this school for 5 years. (Present Perfect, так как действие началось в прошлом и продолжается до сих пор.) 6. Uncle Tim has been in hospital since Friday. (Present Perfect, так как действие началось в прошлом и продолжается до сих пор.) 7. Have you ever read a book in English? (Present Perfect, так как спрашивается об опыте в жизни.) 8. They have never lived in a big city. (Present Perfect, так как описывается жизненный опыт к настоящему моменту.) 9. We haven't cleaned our room. It's really messy. (Present Perfect, так как результат виден сейчас - комната грязная.) 10. Ola wrote a Maths test last week. (Past Simple, так как указано конкретное время в прошлом - last week.)