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МатематикаВопрос:
2. Scientists still (not/find) a cure for cancer.
Ответ:
Правильный ответ: 'have not found'. Объяснение: так как действие не завершено и имеет отношение к настоящему, используется Present Perfect в отрицательной форме. "Scientists still have not found a cure for cancer."
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- Упражнение 2. Выберите правильную форму глагола. 1. My hobby is reading. I read/ 've read a lot of books.
- 2. My dad went/ has gone to work two hours ago
- 3. I already saw/'ve already seen "Harry Potter".
- 4. I played/'ve played volleyball when I was younger, but I don't play now.
- 5. I was/'ve been ill four months ago.
- 6. I haven't been/wasn't there since graduation.
- 7. I had/'ve had a dog for eight years. Its name is London.
- 8. Meghan has been/ was absent since Monday.
- 9. I finished/'ve finished my homework. Can I go out now?
- 10. We went/ 've been to the seaside last summer.
- Упражнение 3. Раскройте скобки, употребляя глаголы в Past Simple или Present Perfect. 1. I (read) this magazine and I don't want to read it again.
- 3. The first modern Olympics (take) place in Athens more than a hundred years ago.
- 4. Steven (never/ eat) sushi.
- 5. I (work) as a shop assistant two years ago.
- 6. Tom Hanks (win) an Oscar several times already.
- 7. You (ever/work) in a shop?
- 8. You (see) any good films recently?
- 9. How many symphonies Beethoven (compose)?
- 10. A bus came round the corner and he (jump) out of the way.
