Lesson 8, Exercise 1. Put a tick (✓) if a sentence is correct. Put a cross (✗) if a sentence is incorrect. Correct the mistakes. 1. I was meeting my old friend while I walked along the street. 2. Alexandra was writing lines while her friends was riding horses. 3. We were hiking in the mountains when we saw a bear. 4. I wasn’t doing my History presentation yesterday. 5. What you were doing at this time on Sunday? 6. I took part in the sports competition last year. 7. Mike was chewing gum while his teacher talked to him. 8. Did you got a good mark in English three days ago?

Перевод задания: Поставьте галочку, если предложение верное, и крестик, если оно неверное. Исправьте ошибки.

1. ✗ I was meeting my old friend while I was walking along the street. (Я встретил старого друга, пока шёл по улице.)
2. ✗ Alexandra was writing lines while her friends were riding horses. (Александра переписывала строки, пока её друзья катались на лошадях.)
3. ✓ We were hiking in the mountains when we saw a bear. (Мы шли в поход по горам, когда увидели медведя.)
4. ✗ I didn’t do my History presentation yesterday. (Вчера я не подготовил презентацию по истории.)
5. ✗ What were you doing at this time on Sunday? (Что ты делал в это время в воскресенье?)
6. ✓ I took part in the sports competition last year. (В прошлом году я участвовал в спортивных соревнованиях.)
7. ✓ Mike was chewing gum while his teacher talked to him. (Майк жевал жвачку, пока учитель разговаривал с ним.)
8. ✗ Did you get a good mark in English three days ago? (Ты получил хорошую оценку по английскому три дня назад?)

В вопросах с did используется начальная форма глагола; was/were согласуется с подлежащим. Для завершённого действия «вчера» подходит Past Simple.